Merge branch 'feature/submodule' into dev/rene

.gitlab-ci.yml

.gitmodules

relast.preprocessor

ros2rag.base/build.gradle

ros2rag.base/src/main/jastadd/DumpTree.jrag

ros2rag.base/src/main/jastadd/NameResolution.jrag

ros2rag.base/src/main/jastadd/Navigation.jrag

ros2rag.base/src/main/jastadd/RelAst.parser

ros2rag.base/src/main/jastadd/RelAst.relast

ros2rag.base/src/main/jastadd/Ros2Rag.flex

ros2rag.base/src/main/jastadd/backend/AbstractGrammar.jadd

ros2rag.base/src/main/jastadd/parser/Preamble.parser

ros2rag.base/src/main/jastadd/parser/Ros2Rag.parser

ros2rag.base/src/main/jastadd/scanner/Header.flex

ros2rag.base/src/main/jastadd/scanner/Keywords.flex

ros2rag.base/src/main/jastadd/scanner/Macros.flex

ros2rag.base/src/main/jastadd/scanner/MappingContent.flex

.../src/main/java/org/jastadd/ros2rag/compiler/Compiler.java

settings.gradle