GitLab

Fixed various GCC and Cppcheck warnings.

* parser now allows whitespace in formula
* exports _camera matrix (if present) to m_cameraProperty in parserMode

fixed bug in core api: desctructor of Runnable does not account for a missing call to start() before destruction

moved matrixprocessor to base module; removed obsolete positiondata.h and transformdata.h from openigtlink module; fixed include statements;

matrixprocessor now listens for dataAdded signals of the data container. also, documentation of the MatrixProcessor class.

contains processing of IMAGE and TRANSFORM messages

Itk reader

ITK Image reader that supports many more image formats.
Example usage edited into the itkfilterdemo pipeline.

 * supports all file formats that can be read via ITK
 * does not support image series

fixed bug in core api: desctructor of Runnable does not account for a missing call to start() before destruction

* SliceExtractor FitToWindow property defaults to true to mimic old behavior per default
* PointPredicateRenderArea renders y axis label

* Now supports optional scaling and offset of image
* Added properties for geometry render style and size
* Fixed some scribbling-related bugs

moved matrixprocessor to base module; removed obsolete positiondata.h and transformdata.h from openigtlink module; fixed include statements;