Code Generator for Eclipse Code

Improved the java generator extension point to conform to the generator extension point

Use different form of displaying jetemplates

Let the interface IASTGeneratorInitializer implement the IASTGenerator Interface

Completed the separation of UI and general stuff for ch.sahits.codegen

Applied changes to reflect on the moving of classes

Refactored after the moving of the file

Removed commented code

Removed fixme that was released with 2.0.0

Refactored the class BasicGeneralCodeGenerator as to remove all UI dependencies

Introduce new class for MinimalArtifactDelegate for abstration of UI concerns