(refactor) cleaned up workspace specs
(cleanup) removed treeToRegex.js
(fix) fixed findLeftSibling in click-helpers factory
(refactor) railroad directive uses library from workspace factory
Merge pull request #80 from darkstar21/develop

Fixes findLeftSibling and random cleanup stuff
added beginning icon library
Merge pull request #81 from shanswami/develop

Adds beginning icon library
Updated removeTree to return the selected node