Merge pull request #3 from JoshStrobl/master

Merge juju-git-charm with upstream
Adds execute flag
juju pprint plugin
juju setall plugin
Merge pull request #4 from chuckbutler/fix-juju-git-perms

Adds execute flag
Merge pull request #6 from marcoceppi/juju-pprint

juju pprint plugin
Merge pull request #5 from marcoceppi/juju-setall

juju setall plugin