Add Checks

- Added check to prevent retriggering of builds
- Added check to allow multiple triggers for talos jobs
changed server.py
Merge pull request #7 from theharshest/datefinished-bug

Bug 1059028 - [titanic] Update field datefinished when status=='done'
bug 1060697 - extract version number from build directory
Bug 1060597 - [titanic] extract version number from build directory
Bug 1060597 - [titanic] extract version number from build directory
Merge pull request #14 from devty1023/master

Bug 1060597 - [titanic] extract version number from build directory