Add port py-sleekxmpp, an XMPP library


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373501 35697150-7ecd-e111-bb59-0022644237b5
Add poezio a python XMPP client for the console


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373502 35697150-7ecd-e111-bb59-0022644237b5
- Fix build on i386
- Mark broken on pre-clang (does not build due to lack of proper c++11 support)

Approved by:	portmgr blanket


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373503 35697150-7ecd-e111-bb59-0022644237b5