Fix stream shuffle

...Trust me, it works this time.
Fix mobile click handlers not working on iPhones
oops, forgot about the debugging alert
disable adjusting notice popup height, seems to cause more trouble than it's worth
Fix repeat confirmation being sized wrong on mobile
Hide nested notices in mobile notice popup, since it causes issues
Fix notice box looking stupid on realtime popup
Add userdesign option to resize banner image to fit
Add sorting options to videosync management page
fixed shuffle function - for real this time!
Increase stream latency tolerance
More info in videosync playlist listings
Add extra videosync info to tag pages too
Fix videosync occasionally skipping over videos
Replace entire site with furry pornography
Pad the start of videosync videos to avoid starting in the middle
Reduce frequency of RDNPlus JS in an attempt to reduce site lag
Hopefully actually fix videosync video skipping issue

Also shows next video to play on videosync management list
Fix possible issue with deleting the currently playing video
Unread notices will highlight faded blue until "read" (moused over)

Should marginally improve the ability to identify new posts in default threaded timeline