emacs-mac-port, speedbar, tabbar, auto-complete, support for sati project

Lots of changes.  Some nice packages:
- sr-speedbar & speedbar
- tabbar
- auto-complete & popup.el

New OS X GUI Emacs:
- support for emacs-mac-port
- use of simpleclip to separate kill ring and pasteboard
- fixes to get the M-x key back

Some changes to facilitate Sati project

Display changes:
- wider default display
- filename in titlebar of GUI