fixing master so specs run
cleaned up optional params in section.rb
removed unused vars from grid.rb
another unused var in section.rb
merge :scissors:
Merge branch 'master' of https://github.com/infinitered/rmq into nitpick_cleanups
removing unused vars
removed unused vars
renamed method as dictated in TODO
added test for retina
added todo testing of traversing
Merge pull request #140 from GantMan/nitpick_cleanups

Nitpick cleanups