Explicitly require jquery-ui-rails as a dep.

And use the correct format for pulling into the JS.
Fix end_time_str generation and temp workaround.

The workaround exists until I've fixed the data in place. For now games
with the broken data should continue to work as expected.
Fix search.json.rabl to work with latest rabl.

It looks like a fix that landed in the 0.8.6 introduced fail:

https://github.com/nesquena/rabl/blob/master/CHANGELOG.md