In rebase, fail with gracious message if specified PR does not exist
Explicitely specify expected Exception type if pull request not found
Add integration test for unfound PR in `scc rebase`
Update copyright year of scc.py
Merge pull request #96 from sbesson/rebase_nopr

Rebase nopr
Add integration tests for the Label command
Refactor CheckMilestone to inherit from GitRepoCommand
Add test for local tag existence before querying the log

- Fails with Stop command if tag unfound
- Add unit test to check tag non-existence logic
Add passing check-milestone test and test for non existing milestone
Fix parse_body() method when PR has no body
Add basic test for `scc version` command
Add basic integration test for `scc unrebased-prs` command
In UnrebasedPRs, reuse the top-level parse_pr() method
Redirect Sandbox clone/submodule update stdout/stderr to PIPE
PRevent docstrings to be displayed when running nosetests -v

http://www.saltycrane.com/blog/2012/07/how-prevent-nose-unittest-using-docstring-when-verbosity-2/