Merge branch 'dev' of https://git-st.inf.tu-dresden.de/OpenLicht/eraser into dev

eraser-base/src/main/jastadd/Expression.relast

eraser-base/src/main/jastadd/Printing.jrag

eraser-base/src/main/jastadd/Resolving.jrag

eraser-base/src/main/jastadd/Rules.jrag

eraser-base/src/main/jastadd/Rules.relast

eraser-base/src/main/jastadd/eraser.flex

eraser-base/src/main/jastadd/eraser.parser

eraser-base/src/main/jastadd/shem.jrag

...n/java/de/tudresden/inf/st/eraser/util/MemberPrinter.java

...e/src/test/java/de/tudresden/inf/st/eraser/RulesTest.java

eraser-base/src/test/resources/tests/ppc2/input.eraser

eraser-base/src/test/resources/tests/ppc2/output.eraser

eraser-base/src/test/resources/tests/ppc6/Test.properties

eraser-base/src/test/resources/tests/ppc6/description

eraser-base/src/test/resources/tests/ppc6/input.eraser

eraser-base/src/test/resources/tests/ppc6/output.eraser

pages/docs/DSL.md