add packaging tool

Author: mikecovlee

auto-build.bat

@@ -30,6 +30,8 @@ cd ..
 .\build\bin\cs -i .\build\imports .\misc\win32_build.csc .\misc\win32_config.json
 .\build\bin\cs -i .\build\imports .\misc\cspkg_build.csc .\misc\cspkg_config.json
 
+move /Y .\build\imports\imgui_gl2.cse .\build\imports\imgui.cse
+
 goto:eof
 :call_bat
 cd %1%

package_tools/wix/gen_wxs.csc

@@ -35,7 +35,7 @@ while ifs.good()
     var str = ifs.getline()
     var result = reg1.match(str)
     if !result.empty()
-        ofs.println(result.str(1) + "Covariant Script Runtime - " + env.covscript_ver() + " (" + env.arch() + ")" + result.str(2) + env.covscript_ver() + result.str(3))
+        ofs.println(result.str(1) + "Covariant Script Runtime - " + env.covscript_ver() + " (" + env.arch() + "_legacy)" + result.str(2) + env.covscript_ver() + result.str(3))
         continue
     end
     result = reg2.match(str)