3 - IE support using excanvas: http://excanvas.sourceforge.net/
5 - Timing delta between frames in proxy record log, for playback
6 support (for demo and test).
8 - Implement Cursor pseudo-encoding (CSS cursor)
9 http://en.wikipedia.org/wiki/ICO_(file_format)
10 https://developer.mozilla.org/en/Using_URL_values_for_the_cursor_property
13 - Isolate menu UI in DefaultControls.js
14 - Icons in status area upper left
15 - Dialogs float over canvas
16 - Turn off events while menu open (but still update display)
17 - Explanatory hover text over buttons
19 - Connect/disconnect button
23 - Items (move to public settings):
29 - speed vs. bandwidth selection
34 - Ctrl Lock, Alt Lock, SysRq Lock
35 - Highlight menu icon when keys are locked
37 - Clipboard button -> popup:
38 - text, clear and send buttons
41 - when none set, but password required
42 - session only, should not store in cookie
47 - Implement UI option for VNC shared mode.
49 - Get web-socket-js RFC2817 proxying working again.
51 - Support for Spice protocol.
53 - Implement tight and ZRLE encoding