Updated release notes and announcement for rc1

[Jasper Huijsmans]

Hey Olivier, release team, others,

I updated the release notes on the wiki and made an updated announcement
for RC1, containing a note about library/panel ABI/API changes. Please
check to see if they are alright.

	Jasper


Release notes:
http://www.symonds.net/~botsie/xfce/index.php/Release%20Notes


Announcement:
=============

XFce 4.0-RC1 is out!

The XFce project is pleased to announce the first release candidate of
the XFce 4.0 Desktop Environment and Development Platform.

XFce 4.0 is a new Desktop Environment based on Gtk2 for unix-like
operating systems, such as Linux, FreeBSD, NetBSD and Solaris.


XFce 4 is :

- Modular : pick and choose from the available packages.  
- Modern and compatible : it respects Freedesktop standards.  
- Easy to use and configure : customize your system from the central 
  settings manager.
- Visually appealing : it uses Gtk2 themes and provides several themes
  for icons and windows decorations.
- Lean and mean : it preserves system resources for applications.  
- Complete : it offers an original panel, a window manager, a taskbar,
  a filemanager with integrated SMB network browser, a printer dialog, 
  a desktop background manager, several useful panel plugins, and much 
  more...

Visit our website at http://www.xfce.org for more information.

Please try out this first release candidate of XFce 4.0, and report
possible bugs or send suggestions to xfce4-dev at moongroup.com (you can
subscribe at http://www.moongroup.com/mailman/listinfo/xfce4-dev/). 
This will help us release the best final version possible.

Release notes with more detailed information about this release are 
available here: # 

You can find out how to obtain the software on this page: 
# http://www.xfce.org/en/download.html


A note for people upgrading from previous beta releases:
- The libaries contain many internal changes that make them incompatible
  with previous version. All application using libxfcegui4 need to be 
  recompiled.
- The panel has slightly changed its plugin API. All panel plugins need 
  to be updated and recompiled.

Please, read the release notes for more information.