Xpra

* threaded server for much lower latency
* fast memory mapped transfers for local connections
* adaptive damage batching, fixes window refresh
* xpra "detach" command
* fixed system tray for Ubuntu clients
* fixed maximized windows on Ubuntu clients

* fix for update batching causing screen corruption
* fix AttributeError jpegquality: make PIL (aka python-imaging) truly optional
* fix for jitter compensation code being a little bit too trigger-happy

* fix partial packets on boundary causing connection to drop
* clipboard support on MS Windows
* support ubuntu's appindicator (yet another system tray implementation)
* improve disconnection diagnostic messages
* scale cursor down to the client's default size
* better handling of right click on system tray icon
* posix: detect when there is no DISPLAY and error out
* remove harmless warnings about missing properties on startup

* much more efficient and backwards compatible network code, prevents a CPU bottleneck on the client
* forwarding of system notifications, system bell and custom cursors
* system tray menu to make it easier to change settings and disconnect
* automatically resize Xdummy to match the client's screen size whenever it changes
* PNG image compression support
* JPEG and PNG compression are now optional, only available if the Python Imaging Library is installed
* scale window icons before sending if they are too big
* fixed keyboard mapping for OSX and MS Windows clients
* compensate for line jitter causing keys to repeat
* fixed cython warnings, unused variables, etc

* compatibility fix for python 2.4 (remove "with" statement)
* slow down updates from windows that refresh continuously

* minor changes to support the Android client (work in progress)
* allow keyboard shortcuts to be specified, default is meta+shift+F4 to quit (disconnects client)
* clear modifiers when applying new keymaps to prevent timeouts
* reduce context switching in the network read loop code
* try harder to close connections cleanly
* removed some unused code, fixed some old test code