Snapshot nanoc repository (originally 41d62421dca7e17e6832a6605b443d531d446b7e)
Extract nanoc-core
Remove ffi requirement from Travis config
Add JRuby and Rubinius to Travis config
Update README for nanoc-core
Remove debugger from Gemfile
Fix dependencies for Travis
Tighten down snapshot store argument requirements
Use Ruby store instead of SQLite3 store in tests
Remove Filter.requires
Remove ChangeLog
Remove cri as runtime dependency