Take Quaff 0.6.2 to lower CPU usage and add retransmission detection
Merge pull request #62 from Metaswitch/latest_quaff

[Reviewer: Alex] Take Quaff 0.6.2 to lower CPU usage and add retransmission detection
Correct REPEAT option
Temporarily disabled subscribe test as it fails on sproutlet code
Merge pull request #63 from Metaswitch/disable_subscribe

[No reviewer required] Temporarily disabled subscribe test as it fails on sproutlet code