Upgrade Smack in Integration Tests from 4.4.4 to 4.4.6
Upgrade Smack in Integration Tests from 4.4.4 to 4.4.6

Upgrading Smack to 4.4.6, which should include fixes that allow us to re-enable some tests that were flappy in older versions.
igniterealtime/Openfire,guusdk/Openfire,igniterealtime/Openfire,igniterealtime/Openfire,guusdk/Openfire,igniterealtime/Openfire,guusdk/Openfire,guusdk/Openfire,guusdk/Openfire,igniterealtime/Openfire