fix registration match association using winner_id and loser_id
update match process flash message to be more readable
Merge branch 'master' of github.com:andrewhl/AdvancedStudyRoom

# By Andrew Hlavats
# Via Andrew Hlavats
* 'master' of github.com:andrewhl/AdvancedStudyRoom:
  adding a before_save to the user model that strips whitespaces from the username and the email address
  cleaning up main landing page, and linking back to the official site www.advancedstudyroom.com