2.1 released

+ Fixed bug in .java-parser, attributes have correct visibility.
+ Fixed bug in .class-parser to correctly identify abstract methods.
+ .Java / .class parsers now handles interface attributes
+ Translated more source code comments to english
+ New IFDEF: ARGO_XMI for using Argo UML compatible xmi-format
+ Settings for default diagram options
+ Command-line control of diagram options
+ Abstract classes now have class name shown in italics