common cleanup.

  * Added missing namespace prefix.
  * Changed logging macros names to one convetions.
Extended DataPoint2dVector class functionality.

+ Added getDataSubset function
+ Added Sanity check mechanism
+ Added tests for new functionalities
+ Added tests for existing getters
Added segmentate function.

Tool to segmentate finite data into possibly most equal parts.
+ Added unit tests for function.
Removed unused imageIsProcessworthy function.
Added missing VV namespace prefix
loadImage function tests added.

+ Whitespace cleanup.
DataPoint2dVector::getSize() added
job manager improvement