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
added welcome message, better messaging indications, and marking when a
message is automated or not.
Merge branch 'newuserstuff'