Merge pull request #196 from rominf/bak

Bak plugin: fixed directory handling
plugin mc, wrapper to use a shell compatible with mc
adding ref to mc in README
typo
Merge pull request #197 from jeremiejig/pluginmc
New theme: budspencer
README changed
Git right prompt implemented
git symbols prompt improved
README updated
Cleanup
Comments updated
Added command duration segment and username/hostname for ssh connections
Proper color definitions
vi mode dependend cursor colors
git ahead behind bug fixed
git branch segment improved
made toggle functions available in VISUAL mode
git branch segment improved
removed needless colors
comments inserted
show commit in truncated format