Fixed javadoc issues (strange that project checker didn't catch it during verify phase)
Added test and fix for the case if there is a semicolon between import statements.
Basic tests and testinputs done. It has to be enough to start working.
All old tests are compilible and do something unusefull things. Lambda test extended a bit. Tests for annotations (may be non compilable) created.
Issue 10. Support of default methods in interface has been added.
Issue 10. Typecast with interfaces after & has been added
Issue 10. Method references are implemented.
Issue 10. Lambda support has been added.
minor for pass mvn verify