Added a method to free a certain area (robot footprint) around
a certain position in the tsd grid. This is necessary for the
multi slam,
Altered the doyxen comment.
dataToCartesianVector now considers the mask. If the referring
value is false, the input value is not taken over.
Added correct define for TSDINC.
Merge branch 'master' of https://github.com/philko4711/obviously