Added a new initial conditions type (variable InitCType) so the model can be initialized without rocks (sand only)
Added functionality for SWAN coupling, and new initial conditions type to run model with no rocks (only sand). Major changes are as follows:
-Added two new functions (ConvertAngle and ParseSWAN)
-Changed determination of alongshore sediment transport direction for SWAN case
-Changed alongshore sediment transport equation for SWAN case, including a potential fix for using the upwind scheme with SWAN
Added a new InitCType
Merge branch 'master' of https://github.com/plimber/cem

Conflicts:
	consts.h
	globals.h