* docker file changes

* change docker version

* adding opengl visualizer

* based on code review comments

* add timer for perception

* merge conflict

* [perception] Add bazel build for Caffe

* [perception] (1) Update docker image to support bazel-built Caffe; (2) fix bugs in unit tests.

* update hm tracker test data

* fixed hm tracker test

* fixed some compling warnings

* fixed some compling warnings of hm tracker

* clean spaces

* fixed codetyle of some common files

* push test

* trim code

* trim code and add comments

* add hdmap_roi_filter and cnn_segmentation for lidar_process

* add HdmapROIFilter register

[perception] (1) update 'dev_start.sh' with docker image 'dev-x86_64-20170801_1351'; (2) add unit test for CNNSegmentation.

* fix build issue

* fix bug

* add hdmap_roi_filter

* trim code

* add license

* update headers

* delete template from polygon_mask

* update polygon_scan_cvter variables name

* remove template from plygon_scan_cvter

* trim code

* change hdmap_roi_interface to fit hdmap interface

* add perception hdmap_roi_filter test

* update test

* add perception roi test

* add merge road boundary to polygon function

* save code before weekends

* first time passing roi_filter test

* merge to master

* fist time pass %99.8 roi_filter test

* trim code of hdmap_roi_filter and bitmap

* before update scans code style

* trim code

* completely pass roi filter test data

* merge to master

* update roi filter interface

* fix merge issues

[perception] Modify directories of 'testdata' and 'data/models' to 'data' and 'model' respectively (#248)

* [perception] add 'use_all_grids_for_clustering' mode

* Add unit test for CNNSegmentation (libproto conflict issue should be fixed for Caffe)

* (1) Fix bugs of shared_ptr in cnn_segmentation.cpp; (2) Modify CNNSegmentation config; (3) Modify .cpp suffix to .cc

* Fix shared_ptr bugs in cnn_segmentation.cpp

* Modify cnnseg BUILD according the fix of ros.Build

* remove uni-test because of the libprotobuf conflict issue

* push test

* push test

* add hm tracker

* update hm tracker code style

* add unit test for lidar_process, and fix merge conflict

* fix merge conflict

* remove the comment of hdmap

* modify hdmap interface, and add unit test for hdmap_input

* modify perception config file

* [perception] add CNNSegmentation method

* [perception] clean up 'caffe.BUILD' and modify 'cnnseg/BUILD'

* add road boundary for perception

* fix unit test error

* [perception] add CNNSegmentation method (#81)

* add unit test for lidar_process, and fix merge conflict

* fix merge conflict

* remove the comment of hdmap

* modify hdmap interface, and add unit test for hdmap_input

* Populate trajectory points directly in planner.

* fix a bug in prediction module

* add velodyne driver

* [perception] add CNNSegmentation method

* [perception] clean up 'caffe.BUILD' and modify 'cnnseg/BUILD'

* add unit test for perception

* move gflags to perception/common/perception_gflags.cc

* remove namespace vehicle_state