Fixed the delete speaker button functionality in allUsersWithIncompleteSpeakerProfile.scala.html and duplicateSpeakers.scala.html, enabled searching in tables in allDevoxxians.scala.html (JS library + config)
Added logs when submitting create new speaker form (error and success cases), also when sending email to speaker.
Changed the div size of success and warning messages when REST action was successful - cosmetic change
Fixed the way uuid is extracted from the request object, previously used session.get which didn't always come back with a valid value
Removed duplications, moved code to get webuser UUID and Name from ApproveOrRefuse.scala to CFPAdmin.scala