Hide irrelevant panels in Mercurial/Subversion, fix Subversion URIs
- Hide "Automation", "Staging" and "Branches" in repositories where they do nothing.
- Fix SVN SSH URIs to read "svn+ssh://" and have proper paths.
- Verified irrelevant sections did not appear in Subversion in Manage UI.
- Checked out a new hosted SVN repository.
Reviewers: chad, avivey
Reviewed By: avivey
Maniphest Tasks: T10923
Differential Revision: https://secure.phabricator.com/D15874