Updated version.

* Updated versions.
* Updated gems.
* Updated release checklist.
* Updated minified files.
Added the minified JS file back into the repo.
Note the rake task that creates the DB dump.
Updated the database dump.
Added Rake tasks for running tests in a VM.
Use Selenium for all tests.
Find the free widget, not the whole thing.
Fixed typo.
Added depdendencies.
Make sure that the PATH is set up correctly.
Updated generated and minified JS files.
Updated translations.
Added and fixed release steps.
Updated release instructions and rake task to dump the database.
Updated the database dump.
More changes to the release checklist.
Merge branch 'release/2.0.0' into develop