added alias
completion options
added _files values for certain options
help command, node completion
node completion
instance and cluster completion
completion of targets
in hindsight, this is probably a bad idea
library completion
application completion
Rendering the 'vagrant box (remove|repackage)' completion code independant of Vagrant implementation details.
Added documentation to key bindings.

Conflicts:
	lib/key-bindings.zsh
forgot to save before committing. doh
Don't clobber standard Esc+. behavior

Esc+. works as "last arg" on both bash and zsh. Seems like a shame to introduce a new standard.

Conflicts:
	lib/key-bindings.zsh
Make sure the terminal is always in application mode when zle is active.
Replace hardcoded key escape sequeneces with dynamic ones from terminfo.
Fix /bin/sh compatibility issue in install.sh
more catspeak
git lol
Added check for .git directory in current, before wasting time querying git. This saves seconds on my pc.