Add modernizr test for rgba support to allow fallbacks if alpha transparency is not supported.
Merge pull request #243 from DoSomething/modernizr-rgba-test

Add modernizr test for rgba support to allow fallbacks if alpha transpar...
Adding new handwritten 'Covered By Your Grace' to replace 'LEngineer'.
Merge pull request #244 from DoSomething/new-handwritten-font

Adding new handwritten 'Covered By Your Grace' to replace 'LEngineer'.
Release v3.3.0