Layout for rating stars
Add express-params library for regex parameters matching
Add stub for csrf protection
Clean up reoutes, add routes for rating
Change default due date for contest
Add additional fields for rating to image model, implement methods for getting and updating rating
Implement controller for rating
Change site design
Move contest information to header
Show likes on page with photo details
Add styles for comments
Add customized bootstrap
Fix styles for footer and upload widget
Add check if rating is undefined
Update header for all pages
Define appropriate node version in package.json
Specify appropriate node version in travis.yml
Try to set timeout for test on travis
Revert "Try to set timeout for test on travis"

This reverts commit 86facb078ef0194147cfd98b36c553204d9e63db.
Prevent app breaking when there is no selected contest