vimrc: add gitcommit mode customization
vimrc: add git open keybind
tmux: add higher increment resize bindings
tmux: add choose-session binding
path: add /usr/local/sbin
.profile/path: add remove_colon_component
.profile/path: add {no,re}_gnu
Set locale to en_US.UTF-8
ipython: define default color scheme
ipython: re-enable powerline
Track ssh config
ssh config: enable agent forwarding
ssh config: enable compression
ssh config: unable control master