- Added functionality to load a grid from a file
- Changed all double dTime values to a Time class (which stores year,
month, day)
- Changed format of output filename to use time instead
Added first implementation of state recovery from a restart file
Added HFEM coordinate description
Merge remote-tracking branch 'origin/master' into CartesianJEG

Conflicts:
	src/atm/TimestepSchemeARK4.cpp