heroku/v332

Deploy 4892270

Diff: heroku/v330...heroku/v332

• Instagram removed rhx_gis.
• Use video tag instead of iframe to embed video files.
• Update gems.
• Decrease CloudWatch costs. Only send 4 custom metrics, and at a 5 minute interval.
• Also bind socket file in bin/server.
• Add /.bundle to gitignore.