Batcave

- Changed
- Use the --pull option on docker builds.

- Added
- Added branch and environment information to PRDB.
- Added support for .Net Core versioning in .csproj files.

- Changed
- Changed from os.path usage to pathlib.Path.
- Update docker to 3.1.1
- Update PyQt5 to 5.10.1
- Update pywin32 to 223
- Update setuptools to 38.5.2

- Removed
- Removed the PRDB build, release, and revision information.
- Removed workspace and cmsclient support.

- Added
- Added build.DockerUnitTester for extracting test results run during Docker image build.

- Changed
- Use Docker Python API instead of Docker CLI.

- Removed
- Removed the civars.txt file.

- Added
- Added Docker Python API.

- Changed
- Fixed servermgr module use of sysutil.syscmd.

- Changed
- Improved menu.SimpleMenu implementation.
- Update setuptools to 38.5.1
- Update unittest-xml-reporting to 2.1.1
- Update p4python to 2017.2.1615960

- Changed
- Fixed issue using both lists and tuples.