Extract private method `yammer_user_url'
Extract private method `yammer_user_url'

* Extract private method `access_token_to_query`
* Remove hanging comma from hash
* Change ternary to do end block for readability

YOTOV-LIMITED/sched.do,mauricionr/sched.do,yammer/sched.do,yammer/sched.do,mauricionr/sched.do,YOTOV-LIMITED/sched.do,yammer/sched.do,YOTOV-LIMITED/sched.do,yammer/sched.do,YOTOV-LIMITED/sched.do,mauricionr/sched.do,mauricionr/sched.do