Merge branch 'hotfix/#49-runtime-dependency-bug' into develop
refactored build script: now at least documentation-subproject builds again
java/groovy compile/test work again
moved graphics and UML model to documentation
multi-project now completed, src-part divided into two subprojects + documentation subprojet
Merge branch 'feature/#53-convert-to-multiproject-build' into develop
Merge branch 'release/0.8.2-multiproject'