CRA-624 Initiate push down data
Not included in merge
Merge branch 'master' of https://github.com/CRAVA/crava
Merge branch 'CRA-624'
CRA-626 Invert push down data in 1D profiles
CRA-606: Function for updating state4D  from posterior of one of the parameters is added
Merge pull request #49 from okATnr/master

CRA-606: Function for updating state4D  from posterior of one of the par...
Merge branch 'master' of https://github.com/CRAVA/crava
CRA-606: minor bugfix, and removed trailing white space in code.
Merge pull request #51 from okATnr/master

CRA-606: minor bugfix, and removed trailing white space in code.
Merge branch 'master' of https://github.com/CRAVA/crava
Merge pull request #48 from gudmund-hermansen/master

Estimate trend variables.
CRA-637 Invert push down data in 4D
CRA-637 Clean up in code
Merge branch 'master' of https://github.com/CRAVA/crava

Conflicts:
	doc/user_manual/CRAVA_user_manual.pdf
Updated manual after conflict
Merge pull request #52 from gudmund-hermansen/master

CRA-534: Fixed some small bugs.
Merge branch 'master' of https://github.com/CRAVA/crava
Merge branch 'CRA-637'
Merge pull request #53 from ulvmoen/master

Inversion of 4D push down data