Adding MappingContext.create(CS source, CD destination)

Attempting to resolve #83
Resolve owner type in type variable lookups

Attempting to resolve #81. No tests committed currently as the test case
described in the bug creates a number of new files that cannot be
embedded in <code>TypeResolverTest</code> (as is the style precedence).
Merge branch 'master' of https://github.com/sskrla/modelmapper into sskrla-master
Fixed issue #83.