Added support for fontFamily attribute inside textApperance. Issue #18.

Uses reflection to get internal resources, might not be an acceptable
solution.
Support custom attribute in textAppearance

Preserves support for android:fontFamily
merged in changes for custom attr in TextAttributes
added comments and removal of fallback to fontFamily.
updated readme and change long
updated to gradle 1.12
post rebase fix
post rebase fix
Who needs reflection anyway?!
goodbye reflection utils
described font resoltion process
updated to bt 0.11
added single line elipsise test to make sure font setting still works
Merge pull request #40 from chrisjenx/codebutler-feature/textappearance

Codebutler feature/textappearance