Fixed the shebang lines on the Python scripts.

Also, removed the one from modules/python/src2/cv.py and cleared its
executable bit, since it's not a script.

doc/check_docs.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import sys, glob
 

doc/check_docs2.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import os, sys, fnmatch, re
 

doc/conf.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 # -*- coding: utf-8 -*-
 #

doc/ocv.py

-#/usr/bin/env python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 """
     ocv domain, a modified copy of sphinx.domains.cpp + shpinx.domains.python.

doc/patch_refman_latex.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import sys
 

doc/pattern_tools/gen_pattern.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 """gen_pattern.py
 To run:

doc/pattern_tools/svgfig.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 # svgfig.py copyright (C) 2008 Jim Pivarski <jpivarski@gmail.com>
 #

doc/reformat.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import os, sys, re
 

modules/contrib/doc/facerec/src/create_csv.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import sys
 import os.path

modules/gpu/misc/mark_nvidia.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import sys, re
 

modules/java/check-tests.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import sys, os, re
 

modules/java/generator/gen_java.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import sys, re, os.path
 from string import Template

modules/java/generator/gen_javadoc.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import os, sys, re, string, glob
 from optparse import OptionParser

modules/java/generator/rst_parser.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import os, sys, re, string, fnmatch
 allmodules = ["core", "flann", "imgproc", "ml", "highgui", "video", "features2d", "calib3d", "objdetect", "legacy", "contrib", "gpu", "androidcamera", "java", "python", "stitching", "ts", "photo", "nonfree", "videostab", "ocl", "superres"]

modules/python/src2/cv.py

-#/usr/bin/env python
-
 from cv2.cv import *

modules/python/src2/gen.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import sys
 from string import Template

modules/python/src2/gen2.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import hdr_parser, sys, re, os, cStringIO
 from string import Template

modules/python/src2/hdr_parser.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import os, sys, re, string
 

modules/python/test/calchist.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 # Calculating and displaying 2D Hue-Saturation histogram of a color image
 import sys

modules/python/test/camera_calibration.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import sys
 import math

modules/python/test/findstereocorrespondence.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import sys
 import cv2.cv as cv

modules/python/test/goodfeatures.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import cv2.cv as cv
 import unittest

modules/python/test/leak1.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import cv2.cv as cv
 import numpy as np

modules/python/test/leak2.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import cv2.cv as cv
 import numpy as np

modules/python/test/leak3.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import cv2.cv as cv
 import math

modules/python/test/leak4.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import cv2.cv as cv
 import math

modules/python/test/precornerdetect.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import cv2.cv as cv
 

modules/python/test/test.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import unittest
 import random

modules/python/test/test2.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import unittest
 import random

modules/python/test/ticket_6.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import urllib
 import cv2.cv as cv

modules/python/test/tickets.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import unittest
 import random

modules/python/test/transformations.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 # -*- coding: utf-8 -*-
 # transformations.py

modules/ts/misc/testlog_parser.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import sys, re, os.path
 from xml.dom.minidom import parse

samples/python2/_coverage.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Utility for measuring python opencv API coverage by samples.

samples/python2/_doc.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Scans current directory for *.py files and reports

samples/python2/asift.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Affine invariant feature-based image matching sample.

samples/python2/browse.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 browse.py

samples/python2/calibrate.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import numpy as np
 import cv2

samples/python2/camshift.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Camshift tracker

samples/python2/coherence.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Coherence-enhancing filtering example

samples/python2/color_histogram.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import numpy as np
 import cv2

samples/python2/common.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 This module contais some common routines used by other samples.

samples/python2/contours.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 This program illustrates the use of findContours and drawContours.

samples/python2/deconvolution.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Wiener deconvolution.

samples/python2/demo.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Sample-launcher application.

samples/python2/dft.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import cv2
 import numpy as np

samples/python2/digits.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 SVM and KNearest digit recognition.

samples/python2/digits_adjust.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Digit recognition adjustment.

samples/python2/digits_video.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import numpy as np
 import cv2

samples/python2/distrans.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Distance transform sample.

samples/python2/edge.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 This sample demonstrates Canny edge detection.

samples/python2/facedetect.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import numpy as np
 import cv2

samples/python2/feature_homography.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Feature homography

samples/python2/find_obj.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Feature-based image matching sample.

samples/python2/fitline.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Robust line fitting.

samples/python2/floodfill.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Floodfill sample.

samples/python2/gabor_threads.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 gabor_threads.py

samples/python2/gaussian_mix.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import numpy as np
 from numpy import random

samples/python2/hist.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 ''' This is a sample for histogram plotting for RGB images and grayscale images for better understanding of colour distribution
 

samples/python2/inpaint.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Inpainting sample.

samples/python2/kmeans.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 K-means clusterization sample.

samples/python2/lappyr.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 ''' An example of Laplacian Pyramid construction and merging.
 

samples/python2/letter_recog.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 The sample demonstrates how to train Random Trees classifier

samples/python2/lk_homography.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Lucas-Kanade homography tracker

samples/python2/lk_track.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Lucas-Kanade tracker

samples/python2/morphology.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Morphology operations.

samples/python2/mosse.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 MOSSE tracking sample

samples/python2/motempl.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import numpy as np
 import cv2

samples/python2/mouse_and_match.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 #!/usr/bin/env python
 '''

samples/python2/mser.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 MSER detector demo

samples/python2/opt_flow.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import numpy as np
 import cv2

samples/python2/peopledetect.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 import numpy as np
 import cv2

samples/python2/plane_ar.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Planar augmented reality

samples/python2/plane_tracker.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Multitarget planar tracking

samples/python2/squares.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Simple "Square Detector" program.

samples/python2/stereo_match.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Simple example of stereo image matching and point cloud generation.

samples/python2/texture_flow.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Texture flow direction estimation.

samples/python2/turing.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Multiscale Turing Patterns generator

samples/python2/video.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Video capture sample.

samples/python2/video_dmtx.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Data matrix detector sample.

samples/python2/video_threaded.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Multithreaded video processing sample.

samples/python2/watershed.py

-#/usr/bin/env python
+#!/usr/bin/env python
 
 '''
 Watershed segmentation