update android build-tools
add MapEventLayer.fixOnCenter()

- when enabled position is kept for zoom/rotation gesture
add workaround for adreno driver issue
dont use vbo texture-layers for samsung devices with kitkat
Merge branch 'no-vbo-texture-layer'
samsung/adreno quirk: dont use glBufferSubData()
remove GlAdapter.VBO_TEXTURE_LAYERS hack
rename vars: vertices counts are actually indices
refactor TileClipper:

- move clipLine() to LineClipper
implement Iterator in Inlist.List

+ reverse(), append()
jni stuff