add go, node and git aliases
remove filetype stuff from vim/settings.vim
add go settings in vim/settings.vim
load .vimrc files from current and parent directories
fix tmux send-prefix key binding
add gnome-keyring credential helper to gitconfig
fix indentation in functions.vim
create helpers and mappings to search programming notes
add ctrlp mapping to open from buffers
use Vundle to manage plugins
change vim colorscheme, set bg=dark