Added class Mmbtiles_Async. Corrections
Merge branch 'mj10777-mbtiles' of https://github.com/moovida/geopaparazzi into mbtiles

Conflicts:
	geopaparazzi.mapsdirmanager/src/eu/geopaparazzi/mapsdirmanager/MapsDirActivity.java
Merge branch 'mj10777-mbtiles' of https://github.com/moovida/geopaparazzi into mbtiles
Added class Mmbtiles_Async. Corrections. After merge with mj10777-mbtiles
merging and cleaning up static methods and fields were not necessary - adding surogates to bring application context to teh libs