Trying to reproduce issue #351
Passing destination value for existing values and creating missing type maps; closes #352
Trying an expression that works
Working example of an expression that works in EF but not in Automapper
Fixed property expression result to base off the expression type when a custom expression is used
Clarified documentation on difference between MapFrom and ResolveUsing
Merge branch 'Issue351' into develop

Conflicts:
	src/AutoMapper/ConstructorMap.cs