Apply Playback Support Mod

Add features to record, playback, or post comments.
Add source comments
Restore the feature of channel change from Comment-Force dialog
Add a notice to NicoJK.ini
Custom font feature of Comment-Force dialog
Owner-draw listbox items
Reduce flicker in listbox
Reduce DrawText(DT_CALCRECT) calls
Custom backcolor feature of listbox items
Prevent frequent redrawing of listbox
Add DT_NOCLIP flag for performance
Merge pull request #1 from xtne6f/develop

Apply Playback Support Mod