Merge pull request #166 from SimonPStevens/hotels-page

Added accommodation information page

Merge pull request #173 from adrianbanks/bootstrap-tables-on-accommodation

Use the standard bootstrap table styles on the accommodation page
add legends to the charts
show the user's username if their name is not set
Merge pull request #159 from adrianbanks/voting-stats

Voting stats

Merge pull request #175 from adrianbanks/more-voting-stats

This adds these stats:
  - duplicate votes made by the same user
  - a graph of the number of votes cast by a user vs the number of users who have made that many votes

Merge pull request #177 from adrianbanks/more-voting-stats

Add legends to the voting stats charts
Merge pull request #164 from alastairs/registration

Add Eventbrite integration for registration