Add the overall directory structure of unit test cases, and decouple the strong dependence between test cases and system initialization success

Merge pull request !15 from 薄皮小笼包/master

fix the bug that if the packageship dir exsit in the path where the uwsgi service start command execute, the python would run the packageship code under that path

Merge pull request !14 from 薄皮小笼包/master

Merge pull request !13 from 包成强/master

Merge pull request !10 from 张涛/master

Modify the selfbuild function, and do not need to return a value. The status code returned by status 1 is success, and at the same time, clear pylint

Merge pull request !12 from jiangpengjuj/master

Merge pull request !8 from gongzhengtang/master

Merge pull request !6 from 包成强/master

add build_depend.py file,and modify view.py BuildDepend class in file,add two functions in searchdb.py,modify sqlite params in sqlalchemy_helper.py.

Merge pull request !9 from 薄皮小笼包/master

Merge pull request !5 from 薄皮小笼包/master

Merge pull request !4 from jiangpengjuj/master

Remove exception

Merge pull request !3 from gongzhengtang/master