add new ack file type: doc
change the mapleader to space
highlight search results
replace echomsg with echohl

ErrorMsg is a highlight group
remap the leader before defining mappings with it
remap the leader key to something less used
This file will be moved to the dotvim repository
Merge branch 'master' of github.com:greg0ire/dotfiles

Conflicts:
	vimrc
keep track of dependencies
Merge branch 'master' into home

Conflicts:
	vimrc
keep track of dependencies
Merge branch 'master' into home

Conflicts:
	README.md
Alias vi to vim
Merge branch 'master' into home

Conflicts:
	zshrc