Changed example.py to register first Xep_0030.
Changed example.py to register first Xep_0030.

This a simple fix to prevent getting a key error as many plugins add
features to Xep_0030. A better fix would be to call pos_init after all
 plugins are loaded. An even better fix would be to define dependencies
for each plugin and registering on demand.

EnerNOC/smallfoot-sleekxmpp