Ended assigment backend
Added migrations
Refined assignment result pages, added showmy/showall filter to experiments
Creator id defaults
Create assigned page
Started checkin session page
Added migration
Mishas fixes
Added experimenter pags, several columns moved from profile to users
fixes to previous commit
fixes to sp
added send invitations
reworked My Account page
commit of beauty
oh noes you forget me
merged profile to users, fixed My Account
added session saving
change button
ended managers list, ended session online page
bugfixes, added saving default invitation messages