Creating description-Project
Added bricks descriptions
Added formula description
Added serialization to XML, some tests
Some more tests
Added KeySorter to serialization, some more tests.
Variables are serialized in a different order, so tests fail but XMLs
are similar.
Comparison and XMLSerialization tests
Made Project comparable for testing. Added yamlbeans jar.
Added YAML-serialization and tests for it
Created YAMLProject, some configs for YAML-serialization
Added toString() methods to Scripts and Bricks
Added toString() to Formulas
changes in .gitignore
Added indentation to Script.toString()
Refactoring Scripts
Refactoring Bricks
Merge branch 'master' of https://github.com/Catrobat/CatrobatLanguage