* Update libotr to 4.0.0
* Update the build to the latest standards
* Get rid of some old pidgin patches

	modified:   libs_security/libotr/libotr.build
	deleted:    network/pidgin/Pidgin-Libnotify-plus-20110116-deftimeout.patch.xz
	deleted:    network/pidgin/pbar-0.1-makefile.patch.xz