[CRA-283]
Reading input gravity files. Only one input file with all data (5 columns), removed input of location coordinates.

Added ModelGravityStatic and ModelGravityDynamic.
CRA-505: Commit manual before switch.
Merge branch 'master' of git://github.com/CRAVA/crava
CRA-530: Pull from upstream.
CRA-505: Cleanup commondata on master.
Changed Atlas libraries back to staic linking
[CRA-283],[CRA-285]
Initial implementation of gravimetric inversion. Not finished, not completely tested.
Fixed conflicts after merge.
Merge branch 'Fix_conflicts' into CRA-283+285

Conflicts:
	crava.vcxproj.filters
Merge branch 'master' into CRA-283+285
Merge branch 'master' into CRA-283+285
[CRA-283],[CRA-285] Fix unintended changes.
CRA-551 ModelSettings::areaspecification should now be set correctly when <area-from-surface> is used in combination with <snap-to-seismic>
CRA-327 <snap-to-seismic> now rounds the requested inversion grid resolution to the nearest multiple of the seismic resolution instead of automatically using the seismic resolution
[CRA-283],[CRA-285] Fixing VS project files.
CRA-551 CRA-327 Test suite case 7 and surfaceio.hpp
Merge branch 'master' of https://github.com/CRAVA/crava
Merge branch 'master' of https://github.com/CRAVA/crava
#CRA-547 Added porosity in WellData
#CRA-567 Fixed tabulation in segygeometry.cpp
CRA-551 Removed a few lines of obsolete code in xmlmodelfile.cpp