[#90] - include facets constrains on demand
Added logging - closes #167
Newline
Removed todo
Show correct host
Fix logging time

This fixes a bug where the time being logged is just incremented for
each request. We use the ```cleanup_view_runtime``` hook to reset the
runtime correctly and log the correct time.
Merge pull request #168 from samuel02/log-correct-runtime

Fix logging time
Added process action hook
Version bump
Prevent users from adding searchkick to a model multiple times
Removed patron since no support for windows
Version bump
Updated development documentation
Fixed removed query APIs
Fixed remaining tests
Version bump to 0.7.0
Fixed zero downtime reindexing again
Version bump
Added note about 0.6.1
Merge remote-tracking branch 'upstream/master' into adv_facets