KUAL extensions added (since kindlepdfviewer will soon support all devices)
remove unrequired scripts
update to direct referencing of scripts.
SIDE-EFFECTS: this means /mnt/us/kindlepdfviewer/kpdf.sh is now the REQUIRED location as opposed to preferred.
add extensions directory in customupdate
remove kite in favor of KUAL
Merge pull request #752 from houqp/new_ui_code

pick KUAL support files from master
remove onGesture method overload in BBoxWidget

since ges pos can be acqured by the second argument
move toggleswitch into separate widget file

also remove onGesture method reload in ToggleSwitch widget