fixed rgd & depth synchronization by adding a buffer and saving images only when they have been matched. Changed the format of the depth image from 32 to 16 bit. Added a command line paramenter _saveMismatched to indicate whether to save all the images or only those with a match
Merge pull request #2 from RaresAmbrus/master

Fixed rgd & depth synchronization. Changed depth format to 16 bit. Added command line parameter.