Some slight runtime enhancements
Added comment festival xml to test scripting
Created new stubs and API for scritping engine.
Reorganized CCL project structure
Removed temp file
Fix typo
Try to preload scrool comment in divs.

Try to preload scrool comment in divs to avoid large DOM append.
Caculate top manually. Avoid to use getoffset

Something to do:
    update information when reset and change screen size
make
Merge branch 'preload' of github.com:Catofes/CommentCoreLibrary into preload