extracted gemspec so we can use the gem with bundler
moved load path fix to gemspec, so it actually works; no longer using FileList in gemspec (won't work)
adding version number and modifying gemspec
Fix case syntax for 1.9
Using assert_equal instead of assert
Privatizing this method stop transitive_closure from working correctly
Merge branch 'master' of https://github.com/amalagaura/gratr

Conflicts:
	gratr.gemspec
	lib/gratr/graph.rb
	lib/gratr/labels.rb
	lib/gratr/version.rb
Merge branch 'master' of https://github.com/4r2r/gratr

Conflicts:
	lib/gratr/strong_components.rb