Add truncate method to category controller to truncate category names and prevent line-wrap
This commit resolves issue #32.

- media in the "top rated" tab on the home page are now sorted
  by rating desc, date desc
- Modified MediaRepository#getMediaOrderedBy to accomplish this.
  The method now accepts arrays as its $sort and $order parameters.
Fixed indentation
Fixed phpcodesniffer errors
Fixed another codesniffer issue
Fixed yet another codesniffer issue
Add rdohms twig extension wrapper bundle for truncate filter
Remove truncate method and apply new twig truncate filter to template instead
Fix #133 - long list of speakers wrapping
Allows photo property on Speaker entity to be nullable
Remove commented out var_dump()
Added video duration to videos on homepage
Added video duration to search results view
Merge pull request #127 from Bendihossan/fix-long-speaker-wrap

Fix #133 - long list of speakers wrapping
First version of automatic import
Reformat media metadata to use the pipe char as a separator
Merge branch 'master' of github.com:protalk/protalk
Views should be visits, fixes #126
Merge pull request #32 from tobiasgies/issue-32

Sort 'Top Rated' list by date (desc) as a secondary parameter
Merge pull request #133 from lineke/issue-126

Views should be visits