change calculation of homogeneous matrix. This is now again done in the plugin.
- EditTrafoParamDialog, getValues(), line 129
- SimpleTemperatureCompensation, calcExpansion(), line 160
- Helmert7Param, fillTrafoParam(), line 302
add custom implementation of sphere fit
Merge branch 'extendDefaultPlugin' of https://github.com/OpenIndy/OpenIndy into extendDefaultPlugin
update Kern's sphere fit to use centroid reduced observations
bugfix in sphere fit (clear observation list)
- changes in homogeneous matrix logic (plugin has to call setHomogeneousMatrix to insert the transformation results)
- default values for scale (= 1)
- switch to trafoParam view after creating a trafoParam feature
Merge branch 'extendDefaultPlugin' into jens_masterthesis

Conflicts:
	plugins/OiDefaultPlugin/functions/systemTransformation/p_simpletemperaturecompensation.cpp
	plugins/OiDefaultPlugin/oiDefaultPlugin.pro
	plugins/OiDefaultPlugin/p_factory.cpp

make changes to other functions
bugfix OiMat in function t(): add return value when the transpose of a matrix with 0 lines and columns is computed
automatic resize of the table view and display off diff = actual-nominal
Merge branch 'extendDefaultPlugin' into jens_masterthesis
outsourced transformation logic with datums transformation
this function can now be used at multiple times and places.