bugfix/fix pip build command (#67)

* change paths

* add setup

* add packages

* update

* install ready

* restore mock

* restore graph_test.sh

* move visualdl.py to visualdl as a script

* fix setup

* remove onnx_pb2.py

* fix server_test

* add package into tests.sh

* add protobuf-compiler for package

* recover .git

* change script bin visualdl_bin to visualDL

* add npm cache

* avoid build_frontend in travis-CI

* avoid frontend build in travis-CI

* add pips

* restore protobuf mannul installation

* install protobuf

* fix package

* fix tool

visualdl/__init__.py

 from __future__ import absolute_import
 
+import os
+
 from .python.storage import *
+
+ROOT = os.path.dirname(__file__)

visualdl/server/visualDL

@@ -9,19 +9,19 @@ from optparse import OptionParser
 from flask import (Flask, Response, redirect, request, send_file,
                    send_from_directory)
 
+import visualdl
 import visualdl.server
 from visualdl.server import graph, lib
-from visualdl.server import log as logger
+from visualdl.server.log import logger
 from visualdl.server.mock import data as mock_data
 from visualdl.server.mock import data as mock_tags
 from visualdl.python.storage import (LogWriter, LogReader)
 
-
-
 app = Flask(__name__, static_url_path="")
 # set static expires in a short time to reduce browser's memory usage.
 app.config['SEND_FILE_MAX_AGE_DEFAULT'] = 30
 
+SERVER_DIR = os.path.join(visualdl.ROOT, 'server')
 
 def option_parser():
     """
@@ -51,8 +51,8 @@ def option_parser():
 
 options, args = option_parser()
 server_path = os.path.abspath(os.path.dirname(sys.argv[0]))
-static_file_path = "./frontend/dist/"
-mock_data_path = "./mock_data/"
+static_file_path = os.path.join(SERVER_DIR, "./dist")
+mock_data_path = os.path.join(SERVER_DIR, "./mock_data/")
 
 log_reader = LogReader(options.logdir)