Fix for bug 836572: Updated docs generation code to understand mobile-compatibility, and dis...

...play an icon for mobile-compatible modules.

This pull request:
- removes the old manually-updated mobile compatibility tables
- updates the doc generation code to read the mobile-compatibility metadata, and insert a CSS "supported-on-mobile" class  in the module summary pages for modules that are supported
- adds a mobile icon, and updates the CSS to display the icon for modules which have the  "supported-on-mobile"  class