F2 version 1.3

[markhealey]

Previously 1.2.2 tracked in #120, we're bumping the minor version to 1.3.

Changelog for version 1.3:

• [x] Fixed #11 by replacing jQuery.ajax with document.createElement('script')
• [x] Updated the example containers when using IE
• [x] Fixed #35 with a new Grunt task
• [x] Added a grunt packages task for compiling the F2 packages with a single command
• [x] Fixed #122
• [x] Added debugMode option to F2.ContainerConfig enabling some additional logging
• [x] Updated the F2.log API per #123 while we continue to evaluate suggestions in #91
• [x] Removed the duplicate readme content on the SDK docs landing page, replaced it with a redirect to the F2 class.
• [x] Fixed #131
• [x] Fixed #133