tkabber+plugins: Update to upstream version 1.0.

After several years, Tkabber finally got a new release.

The highlights are:

 * Completely rewritten Tkabber internals
 * Dropped Tcl/Tk 8.3 support. Now Tcl/Tk 8.4 is required
 * Partial IPv6 support (requires Tcl/Tk 8.6)
 * Switched from TclGPGME to TclGPG for encryption and signing
 * Added new connection method BOSH (XEP-0124 and XEP-0206)
 * Disabled SSLv2 and enabled TLSv1 TLS options
 * Added user nicknames (XEP-0172) support.
 * Updated the CAPTCHA forms (XEP-0158) support
 * Added metacontacts (XEP-0209) support
 * Implemented multiple proxy profiles
 * Implemented remote controlling from a locally executed script
 * Added new plugins: floatingcontact, poker
 * Rewritten most plugins to support disabling and unloading on the fly
 * A few interface enhancements (search in MUC affiliations lists, proxy
   management)
 * Many fixes and enhancements

The detailed changelogs can be found at:

http://svn.xmpp.ru/repos/tkabber/tags/1.0/tkabber/ChangeLog
http://svn.xmpp.ru/repos/tkabber/tags/1.0/tkabber-plugins/ChangeLog



Signed-off-by: aszlig <aszlig@redmoonstudios.org>