Reverted gitignore to include src-gen and xtend-gen

de.fhmuenster.masterthesis.textgeneratordsl/.gitignore

...r/masterthesis/AbstractTestgeneratorDSLRuntimeModule.java

...asterthesis/TestgeneratorDSLStandaloneSetupGenerated.java

.../parser/antlr/TestgeneratorDSLAntlrTokenFileProvider.java

...ter/masterthesis/parser/antlr/TestgeneratorDSLParser.java

...r/masterthesis/.TestgeneratorDSLRuntimeModule.java._trace

...ster/masterthesis/.TestgeneratorDSLRuntimeModule.xtendbin

...masterthesis/.TestgeneratorDSLStandaloneSetup.java._trace

...er/masterthesis/.TestgeneratorDSLStandaloneSetup.xtendbin

...hmuenster/masterthesis/TestgeneratorDSLRuntimeModule.java

...uenster/masterthesis/TestgeneratorDSLStandaloneSetup.java

...thesis/formatting2/.TestgeneratorDSLFormatter.java._trace

...terthesis/formatting2/.TestgeneratorDSLFormatter.xtendbin

...r/masterthesis/formatting2/TestgeneratorDSLFormatter.java

...erthesis/generator/.TestgeneratorDSLGenerator.java._trace

...asterthesis/generator/.TestgeneratorDSLGenerator.xtendbin

...ter/masterthesis/generator/TestgeneratorDSLGenerator.java

...thesis/scoping/.TestgeneratorDSLScopeProvider.java._trace

...terthesis/scoping/.TestgeneratorDSLScopeProvider.xtendbin

...r/masterthesis/scoping/TestgeneratorDSLScopeProvider.java