Add /party KI Command

Usage: Players type `/party` to be warped to the party. Admins include a
link in point sceneobject parameter to set the warp information in the
vault. Supplying an invalid object (eg `x`) will cause the party to be
killed, disabling the command for players.
New startup age
Disable options bar in startup
Minor adjustments
readd Dialog06a
Hide the avatar if there is no clothing file
Fix /replying to private admin messages and message color in inter-age chat
Merge pull request #74 from Mystler/pmfix

Fix for private admin messages
Enable window flashing and highlighting on mentions in chat messages
Merge pull request #75 from Mystler/mentions

Handle mentions in chat messages
Add script counterparts to animFun client branch
Make /dance an animation loop
Add /threaten as a coop animation example
Fix unicode error in nb01RPSGame.py
Merge pull request #78 from Filtik/RPSGame

Fix unicode error in nb01RPSGame.py
Fix RPSGame-UpdateImager
Merge pull request #76 from Mystler/animFun

Animation Things and Stuff
Remove unneeded kFontShadowed flags in the Big KI dialogs.

Shadows are not needed here and exacerbate the x-raying due to wrong drawing order.
Done in Python as long as we can’t modify the PRPs directly.
Merge pull request #80 from cwalther/textrendering

Remove unneeded kFontShadowed flags in the Big KI dialogs
New Update for RPGGame
Implement chat history browsing (Client and Python)