Update to Rails 3.2.16
Merge pull request #59 from reidab/rails_3.2.16

Update to Rails 3.2.16
Avoid loading Guard in Ruby 1.8
[gem] Add rubysl-test-unit for rbx
Stop eager_loading the lib directory
Remove troublesome and useless catch_cookie_exception test

The test doesn't do anything, and it includes test/unit where it doesn't
belong.
Avoid mixing symbol and string keys in EventsControllerSpec

Hopefully fixes intermittent 1.8.7 failure
[gem] Remove rubysl-test-unit dependency for rbx
Use string keys for params in EventsControllerSpec
[gem] Re-add rubysl-test-unit for rbx, but don't load it.
[gem] Add puma
[gem] Upgrade sunspot
[gem] Upgrade to Capistrano 3.0, targeting puma deployment
Fix indentation in sunspot_extras.rake
There's no need to manually include the sunspot rake tasks