fixture manager implementation
Make the chrome plugin package able for the chrome webstore
Merge branch 'master' into develop

Conflicts:
	browser-plugins/chrome/wtf_page_mapper/manifest.json
check button for mapped page elements.
remove binary.  They are now distributed form github pages branch.
do until utility method.
Added a unit test for checking if error is thrown if key does not exist.
Merge branch 'develop' into feature/chrome_plugin_checkelement
clean up comments

added gpl boilerplate
Merge branch 'develop' into feature/chrome_plugin_checkelement
remove comments
Merge branch 'develop' into feature/chrome_plugin_checkelement
refactor utility method for generating timestamped string into separate smaller pieces.
Fix mapping by CSS (causes the issue with mapping links)
fix issue where an error while trying to throw and error happens when trying to extract a class name from a list type.
Merge branch 'feature/chrome_plugin_checkelement' into develop
bumb up version number.
Merge branch 'release/0.2.3'