CRA-743 Removed more bugs
Merge branch 'master' of https://github.com/CRAVA/crava

Conflicts:
	src/commondata.cpp
CRA-748 Include reading of porosity logs
Merge pull request #167 from RagnarHauge/master

CRA-750: Fixed IL/XL-output by passing SegyGeometry through to writer. F...
CRA-743 Minor fix
Merge branch 'master' of https://github.com/CRAVA/crava
CRA-749: Combined last commit with merge with rhauge (#167).
CRA-749: Fixed some memory leaks. Removed Estimation option from WriteResult in CravaResult since it is covered in WriteEstimationResults.
CRA-749: Added static cast from double to float.
CRA-749: Compiled manual.
CRA-749: Merge 749 to master.
Merge pull request #168 from hgolsen/master

CRA-749: Added writing of ascii-surfaces
Pull from upstream
Merge branch 'master' of https://github.com/CRAVA/crava

Conflicts:
	src/commondata.cpp
Merge pull request #169 from ulvmoen/master

Fix for rock physics
CRA-678: Fixed bug with BlockWellsForEstimation if there is no seismic data.
Merge branch 'master' of git://github.com/CRAVA/crava into CRA-738
CRA-751: Fixed estimation mode and background for multiple intervals, added CombineResult under WriteEstimationResults and WriteOutputSurfaces under SetupOutputSimbox.
CRA-751: Added that background must be ok before estimating correlations.
Merge pull request #170 from hgolsen/master

CRA-751: Multizone background in estimation mode