Implement a replace with object class, to correctly use the object class.
Merge branch 'master' into feature/correctly_use_setObjectClass

Conflicts:
	src/main/java/com/mongodb/FongoDBCollection.java
	src/test/java/com/mongodb/FongoDBCollectionTest.java
Remove legal note.
Merge pull request #48 from nilstgmd/feature/correctly_use_setObjectClass

Correctly use setObjectClass(..) to define target objects