Appease JNI by removing EGLHelper.swap(), which Proguard wipes out for lack of use
don't store textureThread until its inited callback
fix rollingaverage
don't use std in drawevent or deps
use callback for bitmap saving
json unibrush
use spray-json instead
optional unibrushes
try to make brush layer work
manual point counting
flatten brush layer only when needed
make rollingaverage macro

Rust doesn't support parameterized array sizes.
Sometimes you have to take matters into your own hands.
fix brush layer blending
fix texture size for rgba bitmaps
no more macro logging
save unibrushes
Merge branch 'unibrush'
fix crash with sd card
allocate gl and motionevent data from java: compiles!
works!