Target Windows Phone 8.1
Starting to add unit tests. Goal: 100%.

"There's always gonna be another mountain
I'm always gonna wanna make it move
Always gonna be an uphill battle
Sometimes I'm gonna have to lose
Ain't about how fast I get there
Ain't about what's waitin' on the other side
It's the climb"
- Miley Cyrus 2k9
Finished converter tests, rename MediaElementState converter to MediaElementStateToVisibility
Merge existing code and hide Framework folder