added version badge
Fix #56 - Avoid loading the ancestor and descendant in the hierarchy model equals method.
Merge pull request #57 from salsify/issue-56

Fix #56 - Avoid loading the ancestor and descendant in the hierarchy model equals method.
Merge branch 'master' of github.com:mceachen/closure_tree
pollution detection
pollution detection
no moar pollution detection
4.0.0.yolo
self_and_siblings cleanup
Fixes #49
Fixes #46
4.0.1
doc twiddle
Merge remote-tracking branch 'origin/master' into rails4

Conflicts:
	lib/closure_tree/acts_as_tree.rb
	lib/closure_tree/model.rb
	lib/closure_tree/numeric_deterministic_ordering.rb
	lib/closure_tree/version.rb
	spec/support/models.rb
setting up travis to go fast while I thrash about