Merge pull request #120 from enesvold/CRA-505

CRA-700, CRA-704
CRA-708: Fixes handling missingdata in input files for background.
Merge branch 'CRA-505' of git://github.com/CRAVA/crava into CRA-708
CRA-708: Fixed handling of padding when sampling into NRLib grid, and fixed two memory allocation errors in avoinversion.
Merge pull request #121 from RagnarHauge/CRA-505

Cra 505
#CRA-704, #CRA-700 Memory problem fixes
Merge branch 'CRA-505' of https://github.com/CRAVA/crava into CRA-505

Conflicts:
	src/avoinversion.cpp
#CRA-704 Test case 3. TimeLine is now deleted in CommonData