adding unit tests for connection_factory, query, and rewrites
adding tests for taxonomy implementations, modifications to api to allow better testing, included more robust hierarchical support
adding travis file
formatting cleanup
adding .travis.yml file
removed post-selection-ui submodule
removing older versions of wp due to unit testing incompatibility
making sure to cast terms as int to support older versions of wp
dropping wp 3.5 support
Merge pull request #6 from voceconnect/unit_tests

Unit tests