Code Generator for Eclipse Code

Added version range contstraint for required plug-ins

Refactoring so the database model generation is based on a simple model and not a specified java model

Remove dependencies to IConnectableDataBaseTable through refactoring

Make use uf the Databasetable Builder

Refactoring to use the builder for the database fields instad of the constructor

Removed all usages of the String constructor of DatabaseTableIndex and replaced it with builder use

Updated the version number

Updated ther version number to 2.1.0

Fix the greaten of the model generator for DTP

Merged from branch UI_seperation_II part 3