Fix typo in gear sizes, parse members params correctly

Add members controller tests

Add functional test for leaving domain

Rest api tests

Add index/show/create with redirect tests for domains_controller

Complete coverage of members controller

Test member sorting, single member response

Unit test domain leaving
Test estimate method
Characters were observed in prod causing unicode evaluation errors.
Merge pull request #3776 from liggitt/membership_tests

Merged by openshift-bot
Merge pull request #3783 from rmillner/strange_unicode_errors

Merged by openshift-bot
Merge pull request #3777 from danmcp/master

Merged by openshift-bot
Fixing broker extended