Use --force for diff creation
Add one more missing force
Merge branch 'master' of https://github.com/reviewboard/rbtools

* 'master' of https://github.com/reviewboard/rbtools: (104 commits)
  Mention installing command-line SCM clients in the windows installation.
  Check the root resource for capabilities.
  Fix --parent situation for mercurial.
  Finish tranisition for new revisions syntax.
  Don't match Perforce repositories when outside the checkout.
  Fix a couple small style issues from my previous change.
  Fix issues with successive calls to .create() or .update() on resources.
  Fix compatibility with Python 2.4
  Fix rbt status with Perforce.
  Support parent diffs with Mercurial
  Fix the link to the 0.5.5 release notes.
  Release RBTools 0.5.5.
  Add --svn-show-copies-as-adds to post-review.
  Allow for using repository names with Subversion repositories in 0.5.x.
  Release RBTools 0.5.4.
  Fixed error output on rbt setup-repo when writing .reviewboardrc fails.
  Change 'rbt diff' and 'rbt post' to take revisions as arguments.
  Add support for posting with Markdown-formatted commit messages.
  Split up --repository-url and REPOSITORY into new options/settings.
  Make git-p4 support handle P4PORT environment variable.
  ...

Conflicts:
	rbtools/clients/svn.py
Add --force to diff
merge upstream package
Merge remote-tracking branch 'upstream/release-0.5.x'

* upstream/release-0.5.x:
  rbt should find repositories based on mirror_path
Resolve merge conflict
Merge branch 'master' of https://github.com/reviewboard/rbtools

* 'master' of https://github.com/reviewboard/rbtools:
  Fix posting submitted changelists for perforce.
  Fix a traceback when running with git on cygwin.
  Fix UnboundLocalError when posting Perforce paths.
  Properly generate parent diffs in git with multiple remotes
  Output URL of new incomplete review
  Fix posting of perforce paths.
  Use the correct binary name for GNU diff on Solaris.
  Added Depends On field to rbt post
  Fix diffing for submitted Perforce changelists.
Fix merge conflict
Merge branch 'release-0.5.x' of github.com:carno/rbtools into release-0.5.x

* 'release-0.5.x' of github.com:carno/rbtools: