Bunch of optimizations and tweaks
Handle register.html?miss=1 page
Show confirm post cancel dialog on back pressed

Show the confirm post cancel dialog if the back key is pressed when the
post dialog is up, if the proper setting is enabled.
Compress page source when adding to history
Ad loading tweaks
Beta Version 2.0.4.A
Version 2.0.4
Merge remote-tracking branch 'origin/dev'