Increase in deploy/resume and bootstrap time by 1.5x(2x in some tests) with gocb 2.2.2+fixes

Suspected to have come from 83aa8bf44150efddda2777fa55bbb15d92937a04 (gocb upgrade) 

Deploy Time

4678 -  http://perf.jenkins.couchbase.com/job/themis/9344/  : 29.7s

4813 -  http://perf.jenkins.couchbase.com/job/themis/9586/ :    19.7s

There is a 3x increase in resume time in the same test run

Resume Time

4678 - 12.8s

4813 - 36.2s

Bootstrap Time

4678 - http://perf.jenkins.couchbase.com/job/themis/9322/ - 0.3mins

4813 - http://perf.jenkins.couchbase.com/job/themis/9567/ - 1.8mins

Stats comparison : http://cbmonitor.sc.couchbase.com/reports/html/?snapshot=themis_700-4813_apply_function_47fd&snapshot=themis_700-4678_apply_function_fdc1 

Changelog : here