Merge pull request #10 from jose-lpa/master

Added general logging settings.
Static file cleanup
Add link to environment on dashboard
Reformat help text on task form
Merge branch 'master' of github.com:Eyjafjallajokull/gunnery
Make ssh backend to actually use username

otherwise you will get "Key authentication failed" as paramiko.SSHClient will use "gunnery" user.
Merge pull request #11 from trexglobal/master

Make ssh backend to actually use username