fix registration page, only show volunteering tab if option is enabled for the conference
erase word rating, no bold
Fix view of questions in Registrations
show title of supporter level only if level exists
Move events stats in Statistics, add ticket distribution
Merge pull request #35 from differentreality/fix_conference_registration_after_questions

fix registration page
Merge pull request #36 from differentreality/fix_rating_text

erase word rating, no bold
Merge pull request #37 from differentreality/questions_scrolling

Fix view of questions in Registrations
Merge pull request #38 from differentreality/supporters_title_error

show title of supporter level only if level exists
Merge pull request #41 from differentreality/stats_update

Move events stats in Statistics, add ticket distribution
Update gems, use d3 gem, initial bootstrap v3 port
Merge #26
Merge