Support supports_parent_diffs in SVNRepositoryInfo

Review Request #8662 — Created Jan. 22, 2017 and submitted — Latest diff uploaded

Information

RBTools
release-0.7.x
d029479...

Reviewers

A change a while back (ad7dfc5) removed the supports_parent_diffs
parameter from the SVNRepositoryInfo constructor, causing an
unexpected keyword argument error when using rbt post with git-svn.
This patch fixes that regression.

Ran unit tests.