Fix timestamp in url change message.  Don't notify about some self-generated messages.  Fix floating of chat messages.  Disable bottom toolbar because it is broken.
Don't catch some clicks in the notifier
even more changes!
New default hub URL
update README.  Remove deprecated pointer.js module
updated the Participant list window
Add a setting to turn on TowTruck automatically in the addon
Added an example site
improve assert message
remove localhost from source code (though should be moved to interface.html)
Fix #44, pulse click properly
Fix some misc things for a frames version that auto-starts two sessions in frames
Fix (disable) syncing of chat input text
Use a CDN/https-hosted ACE library
Put in a better ACE editor source link
frames work better when one isn't loaded until after session starts.  (Won't be necesary when #108 is done)
Fix some master-specific nickname and avatar setting.  Always put personal classes on avatars, even when we don't have an avatar yet.  Use .nickname instead of .nick.  Save .avatar in peers.  Fixes #111
Fix #102, show clicks locally, not just remotely
Fix #92, hide empty element when there are no participants
Fix #95, send page title along with URL for cobrowsing