Make usable/tested features live on master

[tapaswenipathak]

• [x] Travis issues
• [x] 500s
• [x] Make journey page responsive
• [x] Fix messed up upcoming sessions
• [ ] Cleanup dev/prod requirement settings
• [ ] Heroku settings
• [x] port db
  • [x] Create superusers
• [x] hide signin/singnup in production