Closes #16 - Adds better error messages for invalid cards
Update README.md

Styling changs
Cleaned up error messages
Merge pull request #19 from stripe/fix-16

Closes #16 - Adds better error messages for invalid cards
Added ordering for "next" behavior in view
Reordered errors
Merge pull request #21 from stripe/fix-15

Added ordering for "next" behavior in example payment view
Fixed typos
Test with Robolectric and set up Travis.

Reorganized and cleaned up the project resources a bit, mostly
in the example project. Stopped bundling stripe-java, gson, junit
and android-support-v4, as gradle will pull them in now.