Fix syntax highlighting for files on CVS.

Review Request #8617 — Created Jan. 13, 2017 and submitted — Latest diff uploaded

Information

Review Board
release-2.5.x
1b49008...

Reviewers

CVS filenames often include a trailing ,v in them, which mucks up the
detection for syntax highlighting. This can be easily fixed by implementing
normalize_path_for_display in the SCMTool. This fix was suggested in the bug,
but never submitted to Review Board.

Ran unit tests.