add new relast variants

.gitignore

trainbenchmark/settings.gradle

...inbenchmark-tool-jastadd-relast-incremental/.editorconfig

...ainbenchmark-tool-jastadd-relast-incremental/build.gradle

...l-jastadd-relast-incremental/src/main/java-gen/.gitignore

.../tudresden/inf/st/train/jastadd/JastaddBenchmarkMain.java

.../inf/st/train/jastadd/JastaddRelASTBenchmarkScenario.java

...st/train/jastadd/config/JastaddRelASTBenchmarkConfig.java

...n/jastadd/config/JastaddRelASTBenchmarkConfigBuilder.java

.../tudresden/inf/st/train/jastadd/driver/JastaddDriver.java

...rain/jastadd/driver/deserializer/ASTNodeDeserializer.java

...t/train/jastadd/test/RelASTSerializerIncrementalTest.java

...enchmark/trainbenchmark-tool-jastadd-relast/.editorconfig

...benchmark/trainbenchmark-tool-jastadd-relast/build.gradle

...enchmark-tool-jastadd-relast/src/main/java-gen/.gitignore

.../tudresden/inf/st/train/jastadd/JastaddBenchmarkMain.java

.../inf/st/train/jastadd/JastaddRelASTBenchmarkScenario.java

...st/train/jastadd/config/JastaddRelASTBenchmarkConfig.java

...n/jastadd/config/JastaddRelASTBenchmarkConfigBuilder.java

.../tudresden/inf/st/train/jastadd/driver/JastaddDriver.java