feat(Featured): OZF-631 OZF-628 isFeatured backend access controls
chore(release): v0.3.0
feat(Featured): Add featured-flag changes the Modified changelog entries
fix(Search Ids): OZF-551 Upgrading elasticsearch plugin

Upgrading to the newest version of the elasticsearch plugin, which
includes a fix for the concurrent search ID confusion issue.

Breaking changes: The new version of the plugin requires elasticsearch
1.4 as opposed to 1.3
feat(Featured): OZF-631 Add access controls for featured flag

Only Admins (AppsMall Stewards) are allowed to change the featured flag
chore(security): use consistent Org Steward usernames
Merge branch 'master' into org-approval