prepared for next development iteration
clocksource changed to MONOTONIC_RAW, AttachCurrentThread checks added
some native source documentation added
framebuffer type changed to bitmap
#88 finished, minor native optimizations and nullchecks added
missing TargetApi annotation added
native methods moved to GifInfoHandle, builder added, minor optimizations, #90 done
reusing extended
first frame visiblity on stop fixed, running flag philosophy changed
build tools version bump, builder for #30 implemented
decoding in background thread implemented for #57
build tools version bump, minor fixes
Builder documentation added, executor related code cleaning
recycling synchronization added, native opening code cleaning
Readnme updated, GifImageButton method visibility cleaning
travis.yml updated
gradle plugin version bump
Merge of #96 into dev
#98 fixed, minor other optimizations
finalize moved to gifinfohandle, minor javadoc correction