Fix for missing name of the exception class, when @throw is used.
Also fixes for:
SDK-17212 - Add a line feed between messages in the ASDoc validation_errors.log file.
SDK-17242 - The Constants.as and GlobalFunctions.as classes from system classes need to have their content added to __Global__.xml
SDK-17256 - For methods of the mx.components.Group class, args or return values of type Object do not appear in the ASDoc output.