Replace connect-flash with express-flash
Make flash messages available to every view
Split the view into partials
Merge branch 'view-improvements' of https://github.com/sixFingers/hackathon-starter into sixFingers-view-improvements

* 'view-improvements' of https://github.com/sixFingers/hackathon-starter:
  Split the view into partials
  Make flash messages available to every view
  Replace connect-flash with express-flash
Update flash notifications on login, profile, signup pages to work with new express-flash
Update contact page to work with express-flash
Remove flash messages view helper