Merge branch 'visibilityscopes' into modelica

scope/src/main/jastadd/ScopeTree.relast

scope/src/main/jastadd/Shadowing.jrag

scope4j/src/main/jastadd/ProgramToScopeTree.jrag

scope4j/src/main/jastadd/ProgramToScopeTree.relast

scope4j/src/main/jastadd/Shadow.jadd

scope4j/src/main/java/org/extendj/ScopeAnalysis.java

scope4j/src/test/java/org/extendj/FieldsTest.java

scope4j/src/test/java/org/extendj/InnerInheritanceTest.java

scope4j/src/test/java/org/extendj/InnerTest.java

scope4j/src/test/java/org/extendj/ProtectedTest.java

scope4j/src/test/java/org/extendj/ScopeAnalysisTest.java

scope4j/src/test/java/org/extendj/SimpleScopeTest.java

scope4j/src/test/java/org/extendj/SuperclassFieldsTest.java

scope4j/src/test/resources/fields/ClassA.java

scope4j/src/test/resources/inner/ClassA.java

scope4j/src/test/resources/inner/ClassB.java

scope4j/src/test/resources/innerInheritance/ClassA.java

scope4j/src/test/resources/innerInheritance/ClassB.java

scope4j/src/test/resources/protected_/one/ClassA.java

scope4j/src/test/resources/protected_/one/ClassB.java