add enh-ruby-mode, emacs default ruby-mode sometimes can't parse ruby
syntax correctly
add yari
some comment about python attributes
dired ignore pyc files
f12 mapping to pre-other-window
fix "dired ignore pyc files"
add notes about mongodb and git-archive
Merge remote-tracking branch 'refs/remotes/origin/workplace' into workplace

Conflicts:
	.emacs
auctex config is specific to mac