Database: Indexed latitude and longitude
OpenGLES shader stuff separated
Grid updated: cells id are latitude and longitude ranges, cells can have different size (multiple of 10), cells id are absolute
Camera: added quick methods for start and stop previewing
PlacesOfInterest: now accept multiple uiviews; now detects if another place of interest is behind; now shows images instead of labels
Fetchresult now can sort the results
updated some properties of different classes
Added some utilities
Minigame 1 prototype
Print grid, minigame 1, other improvements
Real object size added
new storyboard + minor changes