Resolve "Grammar Bugs (VariableArityParameter and multiple catch types)"

Closes #21 (closed)

src/main/grammar/Aspect.bnf

@@ -197,7 +197,7 @@ method_declarator ::= java_identifier formal_parameters (LBRACKET RBRACKET)*
 
 formal_parameters ::= LPAREN ( formal_parameter ( COMMA formal_parameter )* )? RPAREN
 
-formal_parameter ::= FINAL? type DOTS? variable_declarator_id
+formal_parameter ::= FINAL? type ELLIPSIS? variable_declarator_id
 
 constructor_declaration ::= type_parameters? java_identifier formal_parameters (THROWS name_list)? LBRACE explicit_constructor_invocation? block_statement* RBRACE
 
@@ -409,4 +409,4 @@ parameter_name ::= IDENTIFIER
 method_name ::= IDENTIFIER
 
 // unused keywords must still appear somewhere
-unused_keywords ::= GOTO | CONST ELLIPSIS | PACKAGE
+unused_keywords ::= GOTO | CONST | PACKAGE