mailcap: Open PDFs with zathura
urxvt: Use google-chrome-stable to launch URLs
git: Use cdown@fb.com as e-mail

This is the simplest way to do this for now.
mercurial: Use cdown@fb.com as e-mail
shell aliases: Add fixtime
ssh agent: Attempt to use Facebook context first
profile: Source engshare
rootcanal: Alias termecho to : to avoid warnings
shell: Show chroot status in PS1
Merge remote-tracking branch 'origin/master' into mac

Conflicts:
	.Xdefaults