rename
-> CVCenterKeyDownActions to KeyDownActions
-> CVCenterKeyDownActionsEditor to KeyDownActionsEditor
rename CVCenterKeyDownActionEditor.sc to KeyDownActionEditor.sc

Signed-off-by: nuss <st9fan@gmail.com>
more renaming according to previous commit
remove CVCenterKeyDownActionEditor.sc

Signed-off-by: nuss <st9fan@gmail.com>
KeyCode editor added

Signed-off-by: nuss <st9fan@gmail.com>