Add posix-spawn gem for cocaine
Use Cocaine throughout GitRepo class
Merge pull request #85 from square/consistent-coke

More coke please
carrierwave version bump to 0.10.0
Support for automatic re-sizing of EC2 pools
Merge pull request #86 from square/rw-dynamic-ec2-sizing
Add fragment caching around expensive queries

* build_time_history
* recent project performance stats
Fragment caching in most tables, and elapsed time calculated client-side
Added action caching
Clearer jQuery usage and other feedback responses
--amend