1.5.19
* Android: rework full-screen layout to account for Android 4.0 behavior
* iOS: add UITextField to main view, not window, so it rotates properly when using GLKView
* Move some hq2x calculations to vertex shader
* Support key repeats on iCade
* Disable key repeats in EmuFramework when assigning keys or detecting input device
* Various cleanup & refactoring
* Build tested on Android, desktop Linux, & iOS