unused reset method return value removed
plugin version in build.gradle updated, array indexing change for #68
Update .travis.yml
Update .travis.yml
abiFilter added, pointer passing between java and native level cleaned
Update .travis.yml
native free fixed, unused dstPad, srcPad removed

Conflicts:
	src/main/java/pl/droidsonroids/gif/GifDrawable.java
realloc result checking added, missing nullifying added for #70
GetIntArrayElements NULLchecks added for #68