"save" und "close" Funktionalität implementieren
removed implementation dependency from ASTVisualizer and improved zoom
functionality
Merge branch 'master' of
https://github.com/swp-uebersetzerbau-ss13/javabite

Conflicts:
	javabite-compiler/src/main/java/swp_compiler_ss13/javabite/gui/ast/ASTVisualizerJb.java
	javabite-compiler/src/main/java/swp_compiler_ss13/javabite/gui/ast/fitted/PreviewableGraphFrame.java
add getter for config key
Merge branch 'master' of github.com:swp-uebersetzerbau-ss13/javabite

Conflicts:
	javabite-compiler/src/main/java/swp_compiler_ss13/javabite/gui/config/SettingsPanel.java
fix ArithmeticbinaryExpressionNodeConverterTest
Merge branch 'master' of
https://github.com/swp-uebersetzerbau-ss13/javabite

Conflicts:
	javabite-code-gen/src/test/java/swp_compiler_ss13/javabite/codegen/ArithmeticBinaryExpressionNodeConverterTest.java
	javabite-code-gen/src/test/java/swp_compiler_ss13/javabite/codegen/CastingAst2CodeConverterTest.java
fix BranchNodeConverterTest and removed println
testing of errors in while structure
added compiler tests for if/else, return, misc.
- compiler tests: types
Merge branch 'master' of https://github.com/swp-uebersetzerbau-ss13/javabite
more while tests - ms3
Merge branch 'master' of https://github.com/swp-uebersetzerbau-ss13/javabite
put while_ in right package
remove while from wrong package
aritmeticbinary expression node test
arithmeticbinaryexpressionnode test
add .gitattributes to reduce merge-problems
removed a broken import