Add ability for to specify the baseFolder location which
contains Page assets such as PageYaml

* fixed: Code generator went through all .yaml in scr/main/resources
  causes errors if user has .yaml files that are not compatible with
  the SeLion-Code-Generator. SeLion-Code-Generator will now stay in
  the GUIData folder as described by the documentation.
* fixed: .yaml files in the GUIData root folder can now be parsed correctly
Change Travis CI config for PR's originating from forked repos
Switch environment variable that run-travis-ci-tests.sh checks for to SAUCE_USERNAME
Update AUTHORS file
Changes to README.md

* Added CLA links
* Added Google group link
* Added more under project description area
* Change project home link
Fix an NPE when kicking off a Mobile test and update the IOSTest
Added support for event listeners for actions done on elements provided by SeLion.
Update contribution #23 per review comments