Resolve "Structure View Support"

Closes #3 (closed)

src/main/grammar/Aspect.bnf

@@ -37,7 +37,7 @@ type_declaration ::= SEMICOLON | (modifiers ( class_declaration | interface_decl
 aspect_declaration ::= ASPECT aspect_name aspect_body
 {
   extends="org.jastadd.tooling.aspect.psi.impl.JastAddAspectAspectDeclarationImplExtension"
-  implements="org.jastadd.tooling.grammar.psi.GrammarNamedElement"
+  implements="org.jastadd.tooling.common.psi.NamedElement"
 }
 
 aspect_body ::= LBRACE aspect_body_declaration* RBRACE
@@ -221,7 +221,7 @@ reference_type ::= ( primitive_type (LBRACKET RBRACKET)+ ) | ( class_or_interfac
 class_or_interface_type ::= java_identifier type_arguments? (DOT java_identifier type_arguments? )*
 {
   extends="org.jastadd.tooling.aspect.psi.impl.JastAddAspectClassOrInterfaceTypeImplExtension"
-  implements="org.jastadd.tooling.grammar.psi.GrammarNamedElement"
+  implements="org.jastadd.tooling.common.psi.NamedElement"
 }
 
 type_arguments ::= LT (type_argument (COMMA type_argument)* )? GT
@@ -397,7 +397,7 @@ attribute_name ::= IDENTIFIER
 ast_type_name ::= IDENTIFIER
 {
   extends="org.jastadd.tooling.aspect.psi.impl.JastAddAspectAstTypeNameImplExtension"
-  implements="org.jastadd.tooling.grammar.psi.GrammarNamedElement"
+  implements="org.jastadd.tooling.common.psi.NamedElement"
 }
 
 aspect_name ::= IDENTIFIER