Improvement and bugs fixes
Renderscript Compressor : Update to last version of Renderscript
Compressor
Renderscript Compressor : Handling of RGBA 8888 Images (still ignoring
alpha)
Renderscript Compressor : Improve performance of DDS/ETC1 with mipmap
compression 
Add of an example layer from my EC2 Mapserver with DDS/ETC1 plugin
Switch to an external datastore