* Update build to the latest standards
* Patch xchat to build against newer glib and libnotify

	new file:   network/xchat/xchat-2.8.8-glib231.patch.xz
	new file:   network/xchat/xchat-2.8.8-libnotify07.patch.xz
	new file:   network/xchat/xchat-2.8.8-linkagainstlibnotify.patch.xz
	modified:   network/xchat/xchat.build