Add AUTO_CD and CDABLE_VARS to .zshrc
Change tmux mouse mode to be scrollback, instead of copy/paste
Add support for tmux alternate-screen
Add GPATH, GRTAGS, GTAGS, TAGS, and .#*.c to .gitignore
Emacs updates
Add ggtags support to Emacs
Add GitHub for Mac gitignore file
Add more stuff to .gitignore