Some small style fixes
Add TreeNode tests
Merge pull request #138 from kuraga/patch-3

Some small style fixes
Add :put, :patch and :delete methods to route

Rails 4 introduced :patch for partial record update, so add
the kitchen sink :/
Merge pull request #140 from KevinTriplett/master

Add :put, :patch and :delete methods to route
link to rspec-apotomo docs.  closes #130
Merge pull request #143 from cj/master

link to rspec-apotomo docs.  closes #130