#318 - Removed public/private keys and using simple key
(Issue #326) Address search review feedback, minus unit test changes.
(Issue #326) Perform setup operations with regular user, not tenant admin.
(Issue 326) Moved auto-refresh and 'get all' search functionality into a test utility method instead of core RestAPI
(Issue 326) Adding tests for paging of library, members and memberships search. Providing ability to suppress refresh delay.
Merge branch 'master' into issue-326

Conflicts:
	node_modules/oae-content/lib/search.js
	node_modules/oae-content/lib/searches/library.js
	node_modules/oae-principals/lib/api.group.js
	node_modules/oae-principals/lib/search.js
	node_modules/oae-principals/lib/searches/members.js
	node_modules/oae-principals/lib/searches/memberships.js
	node_modules/oae-principals/tests/test-members-search.js
	node_modules/oae-search/lib/searches/general.js
	node_modules/oae-search/lib/util.js
	node_modules/oae-search/tests/test-general-search.js
(Issue 326) Compatability updates with some additional unit test coverage.
(Issue 326) Fixes from self-review / Merge conflict issues.
(Issue 326) Code-review changes.
Merge branch 'master' into issue-326

Conflicts:
	node_modules/oae-search/lib/util.js
Created a config.signing namespace
Merge branch 'master' of github.com:sakaiproject/Hilary
#337 Renamed the 'signed' test tenant to 'localhost'
Added setTimeout to let token actually expire in unit test.
Merge pull request #321 from simong/removepubprivkey

#318 - Removed public/private keys and using simple key
Merge pull request #343 from simong/localhosttenant

#337 Renamed the 'signed' test tenant to 'localhost'
Preview Processing PR follow up
Merge master