Extends TT to add lodash sugar.
Adds tree extended to add lodash collection methods on nodes.
Removes FindTree spec, exports LodashTree.
Merge branch 'develop' into move-lodash-sugar

Conflicts:
	test/tree-spec.js
Renames to base-spec to change execution order.
Adds lodash-tree spec.
Corrects test command.
Adds file for circleci.
Corrects thin-tree import.
Adds CI badge.
Merge pull request #2 from evanrs/move-lodash-sugar

Extends TT to add lodash sugar.