Merge pull request #10 from omarramos/master

No need for ruby prefix on the ruby-version file
Add gemnasium badge for gem dependencies to README
Update outdated gem dependencies
Update excon dependency
Refactor full_name setter method to avoid creating temp variable
Fix: Round user avatar styling issue
Try to fix equalHeights jQuery function
Add: Coming soon pages
home page, startup forms, minor changes in style and colors
tag style
fix home image image url
homepage background color change and icons colors change
startup form button
submit form btn btn different style
Update Devise and other dependencies
Bundle update
Update Startup edit form
Fix small typo in the Resources paragraph
Fix typo in the homeform registration partial
login form css