[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-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-283],[CRA-285] Fixing VS project files.
CRA-576 Generate G matrix in d=Gm+e for RMS inversion
Updated user manual
Merge branch 'CRA-576'
CRA-578 Read RMS prior information from file
Merge branch 'master' of https://github.com/CRAVA/crava

Conflicts:
	doc/user_manual/CRAVA_user_manual.pdf
CRA-580 Create Sigma_vp to be used in RMS inversion
CRA-582 Make class RMSInversion()
CRA-583 Make prior background model above and below reservoir in RMS inversion
CRA-586 Transform Gaussian mean and covariance between Vp, log(Vp) and Vp^2
CRA-588 Include observation errors for 1D RMS inversion
Commit manual
Merge branch 'CRA-588'