Merge pull request #57 from okATnr/master

CRA-606: Bugfixes in RMS inversion
CRA-638 Calculate depth at top reservoir by using inverted RMS velocities
CRA-606: Makes robust covariances for inversion
Merge pull request #58 from ulvmoen/master

CRA-638 Calculate depth at top reservoir by using inverted RMS velocitie...
Merge branch 'master' of https://github.com/CRAVA/crava
CRA-638 Calculate depth simbox using RMS velocities.
The depth simbox is kept in GridMapping * timeDepthMapping_ in modelGeneral.
CRA-638 Removed writing of grids to file from previous commit
Merge branch 'master' of https://github.com/CRAVA/crava
Merge pull request #59 from ulvmoen/master

Make depth simbox from RMS inversion
Merge branch 'master' of https://github.com/CRAVA/crava
Print out of  files
CRA-606: minorbugfix
CRA-606: to make 4D avo run
CRA-606: removed printout and   commented out  //makeCorr2DPositiveDefinite( priorCorrXY_); to make the test suite run well