Created public static method getItemValueMIME(Document, String)  base on code from Document class and Tim's NotesIn9 videos (http://www.notesin9.com, episodes 133 - 135)
changed Document.getItemValueMIME(String name) to return result of calling DominoUtils.getItemValueMIME(this, name);
Merge branch 'feature/create_static_getItemValueMIME(Document,_String)_method' into develop