(Issue 340) Improve test coverage in oae-search
(Issue 340) Addressed review feedback
Merge pull request #340 from mrvisser/issue-340

Improve test coverage for oae-search
Merge remote-tracking branch 'simong/594-lowercase-usernames'
Pulverizing some naughty dots
Merge remote-tracking branch 'simong/334-content-test-improvements'
Minor code cleanup
#492 - Add nextToken to paginated REST feeds

Added nextToken to:
 * Content comments
 * Discussion members
 * Discussion messages
 * Group members
 * User memberships