Remove keyboard caps lock remapping, broken on recent osx.
Add osx defaults.
[zsh] Use BSD-style options for ls alias.
[git] Use real name, not pseudo.
[git] Add global OSX gitignore file.
[git] Add OSX performance ctime hack.
[zsh] Add some completions.
[vim] Test some plugins.
[vim] Remap Q.
[vim] Add global ycm conf file.
[vim] Use global undo file.
[zsh] Use completions.
[zsh] OSX tar tweak for ._ files.