Add clamp_value function to math_util
Fix some focus issues, allow to set a DefaultFocusView on ViewGroups.
More focus behaviour tweaking.
Focus the contents of popup screens
Move a return statement to the correct position.
For extra safety, check the GLSL version when detecting ES 3.0.
JSON: Rename single-parameter getString to getStringOrDie to emphasize the danger.
Add basic thick-line drawing code
Minor tweak to drag behaviour of scrollviews
Add flag to enable getFilesInDir to get hidden files (dotfiles).
UI: Improve scoring function for directional keyboard nav
Restore immersive mode after volume change (android bug workaround)
fast_math: SIMD function library that can select to use NEON at runtime.

Only contains one function so far: fast_matrix_mul_4x4. C, SSE, and NEON impls.
Have fast_matrix_mul_4x4_sse accept unaligned matrices
Fix build for x86 android etc.
Merge pull request #202 from hrydgard/fast_math

Fast math mini-library
Add function to set both FZ and DefaultNaN on ARM.
Improve ARM fastmode setting, probably correct now.
Temporarily override all instances of back button functionality