Use dulwich porcelain for git log
Make UI module optional
Fixup UI warning message, fix git log
Add remote origin to config file when cloning
Get rid of monkeypatch for git push and replace it with dulwich
porcelain push.

Misc small changes
Change dulwich download to pull from transistor1's git repo.

There are new changes to dulwich in the repo that require the new
download.
Remove some comments, experiment with dulwich.porcelain clone
Merge pull request #20 from transistor1/development

Development