Fix tests that failed on Win+jdk6 (error messages are preceeded with source file path); Cherry-picked from Andreas
Making sure source packages named "target" are not excluded by .gitignore
#17 Mapping attributes inherited from super types (from Andreas)
#17 Fixing NPE in case of attribute without setter in source type
#35 Extracting some code from visitor to helper class
#35 Extracting Mapping instantitation from visitor class
#35 Raising warning in case of unmapped target properties
#35 Unifying messsage printing
#35 Allowing to specify processor options for processor tests
#35 Adding processor option for setting default target mapping policy