wtvsec: use initial key for ticket signing
update: initial work for future ability to update wtv-ticket to client
update: wtv-flashrom: use zefie server only if file does not exist locally (allows both zefie server roms and local roms)
update: wtv-flashrom:/get-lc2-path: experimental 'Cancel Update' button
fix: wtv-tricks:/blastcache: return_to was not unescaped
897bf10abb