Code Generator for Eclipse Code

Improved the logging facilities to fix #65

Fixed the generation of the getConnection method and adding it to the code. This is part of #70

Fixed errors in the AST generation. This fixes #63. The generated code is ugly though apostroved values from the script are not transformed properly.

Use the same implementation for createJetGateway as in JETASTGenerator

Removed ui plug-in from dependency list

Removed the dependency on the logger

Merged from branch UI_seperation_II

Applied changes to reflect on the moving of classes

Removed commented code

Delete unused method calculate..(Stet) and transfered functionality into calculate...(String)