Rough functionality for unauthenticated tickets.
Link to edit page (as show doesn't now exist, and not clear if we will want it) of user who created ticket.
remove commented-out lines.
Ticket comments can be private
Some fixes to the how we keep track of information about users associated with a ticket.
Merge branch 'master' into feature/unauthenticated_tickets

Conflicts:
	help/app/views/tickets/_comment.html.haml
	help/app/views/tickets/_new_comment.html.haml
Merge pull request #10 from leapcode/feature/unauthenticated_tickets

Rough functionality for unauthenticated tickets.