ignore autogenerated parser and lexer files

Author: mdodovic

.gitignore

@@ -30,3 +30,7 @@ local.properties
 # Specific ignore
 *.log*
 spec/mjparser_astbuild.cup
+src/rs/ac/bg/etf/pp1/sym.java
+src/rs/ac/bg/etf/pp1/MJParser.java
+src/rs/ac/bg/etf/pp1/Yylex.java
+src/rs/ac/bg/etf/pp1/Yylex.java~