SIGNUP-229 : Signup fires off double emails

git-svn-id: https://source.sakaiproject.org/contrib/signup/trunk@85257 fdecad78-55fc-0310-b1b2-d7d25cf747c9
SIGNUP-230 : location field is not populated when it should be 

git-svn-id: https://source.sakaiproject.org/contrib/signup/trunk@85258 fdecad78-55fc-0310-b1b2-d7d25cf747c9
SIGNUP-234 : sakai ID shown in parentheses instead of username in drop down organiser list 

git-svn-id: https://source.sakaiproject.org/contrib/signup/trunk@85259 fdecad78-55fc-0310-b1b2-d7d25cf747c9
SIGNUP-227 : Announce Availability is a bit confusing - the notification options should always be shown 

git-svn-id: https://source.sakaiproject.org/contrib/signup/trunk@85260 fdecad78-55fc-0310-b1b2-d7d25cf747c9
SIGNUP-222: Assign Participants page still has old wording for recipients of notifications 

git-svn-id: https://source.sakaiproject.org/contrib/signup/trunk@85261 fdecad78-55fc-0310-b1b2-d7d25cf747c9
SIGNUP-232 : Cancelled spelled incorrectly for en_GB 

git-svn-id: https://source.sakaiproject.org/contrib/signup/trunk@85262 fdecad78-55fc-0310-b1b2-d7d25cf747c9