updates to use timelines branch of ewheeler/rapidsms-appointments
dont let navbar cover messages
add sliderule public key to user conf
use timelines branch of ewheeler/rapidsms-appointments
rename appointments tab
bump django version
use renamed app
replace RW map with UG map
use timelines app instead of appointments
add salt states for statsd/graphite, node, memcached
add admin link to graphite
add salt state for npm
update salt states
add groups app

Conflicts:
	thousand/settings/base.py
	thousand/templates/rapidsms/_nav_bar.html
	thousand/urls.py
add trans tags to templates
update fixtures and settings for timelines changes
update example settings

add dev requirements, update dev settings
update requirements
hide registration tab for now
add new handler to settings