added gvim (renamed macvim) to bin/
added git autocompletion
added gitgutter to vim
Merge branch 'master' of masukomi.org:home_dir_configs
tweaked .vimrc for gitgutter
Merge branch 'master' of masukomi.org:home_dir_configs

Conflicts:
	.bashrc
updated call to ctags in .vimrc
added ack to setup and .ackrc
Merge branch 'master' of masukomi.org:home_dir_configs