Add styles for Lua label and identifier

Closes #1181, closes #1182

PowerEditor/src/stylers.model.xml

@@ -467,6 +467,8 @@
             <WordsStyle name="FUNC1" styleID="13" fgColor="0080C0" bgColor="FFFFFF" fontName="" fontStyle="1" fontSize="" keywordClass="instre2" />
             <WordsStyle name="FUNC2" styleID="14" fgColor="8000FF" bgColor="FFFFFF" fontName="" fontStyle="1" fontSize="" keywordClass="type1" />
             <WordsStyle name="FUNC3" styleID="15" fgColor="0000A0" bgColor="FFFFFF" fontName="" fontStyle="3" fontSize="" keywordClass="type2" />
+            <WordsStyle name="IDENTIFIER" styleID="11" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" fontSize="" />
+            <WordsStyle name="LABEL" styleID="20" fgColor="808000" bgColor="FFFFFF" fontName="" fontStyle="1" fontSize="" />
         </LexerType>
         <LexerType name="makefile" desc="Makefile" ext="">
             <WordsStyle name="DEFAULT" styleID="0" fgColor="000000" bgColor="FFFFFF" fontName="" fontStyle="0" fontSize="" />