Update gitconfig
Update gitconfig
update tmux.conf
update gitconfig
add powerline tmux config
fix powerline path nesting
adding vimrc.before for powerline & tigrc
new git aliases:

1. ci --> "commit -v"
2. find --> use selecta for interactive branch checkout
3. df --> "diff --word-diff=color"
4. pl --> "pull --no-rebase"
vim: retain scrollback buffer on quit
strip out right bar on tmux powerline
vim: selecta mappings
add taskrc for http://taskwarrior.org
additional git aliases:

1. churn - 'activity' of a file, from jetbrains blog
2. find - find branch. requires selecta homebrew package
3. [modify] of - add "--prune flag"
4. cane - commit --amend --no-edit
5. getpr - find PR associated with commit
fixup vimrc to appdirect repo