Update vundle submodule
Explicitly set some LOCALEs to en_US [zsh]

As Mac OS X tends to set those locales to whichever language you choose
in the preferences. And we don't want that.

Some things should stay English (tm).
Map C-p to ESC [vim]

As I use C-[ for ESC, I tend to hit C-p way too often.
Explicit configuration for GUI MAC VIM [vim]