Maintain and publicize IGB App Store

The IGB App Store is now released and deployed.

Repositories include:

• https://bitbucket.org/lorainelab/appstore - the code
• https://bitbucket.org/lorainelab/appstore-playbooks - playbooks for deploying the code

This epic contains issues related to:

• improving and maintaining the app store code
• improving and maintaining deployment strategies
• teaching people about App Store
• publishing papers, slide decks, and other materials about App Store