Added git submodule initialization option
submodules support as a global or per-package option
Add new global option to Mocks
Update docs
Add git tests setup
Missing breakpoint...
update only newly initialized subomdules on develop up
tests
Typos and refactor the description
Fix regex to better handle git log
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/mr/developer/tests/test_git.py
Merge pull request #111 from sunbit/master

git submodules support