new message to be automatically sent to new users
(currently only Persona, need to adjust)
combined all the registration stuff into a single createUser function
lots of cleaning and adjustment related to that
Merge github.com:strbean/snowdrift into newuserstuff
settings for a siteproject instead of hardcoding "snowdrift" as the project
adjusted wording for error of no siteproject
Merge branch 'master' into newuserstuff

Conflicts:
	Handler/User.hs
new Open Knowledge logo (whatever, it's what they use now…)
freeze of my working dependencies
added welcome message, better messaging indications, and marking when a
message is automated or not.
Merge branch 'newuserstuff'
various README updates
updated devDB after migrate8
fixed issues with migration, needed default=false instead of
default=False
moved outdated functions and added note
moved markdown label CSS to .cassius file and simplified style
spacing clean-up and overall refactoring of Navbar.hs
minor word changes for preview alert
added comments and Haddock to ProjectPledges.hs
added comment about voting on tags and current code status
just added trailing line (our convention for the code)