Version 1.3.0

Major changes include:
#170 Added ability to associate an image with a reward
#172 Added option to collect shipping for only specific rewards
#181 Added example usage of Crowdhoster API
#182 Rewards are now in a disabled state if the campaign is expired
#183 Add ability to duplicate expired campaigns
#185 Clean up test framework and simple rewrite to ensure...
#204 Add initializer to check that all necessary env variables are defined
#196 Check the custom CSS/JS inputs for insecure content
#209 Upgrade Devise to latest version
#213 Add basic limiting & ordering to payments API
#210 Save client side payment errors
#215 Add view payments link to admin navbar
#216 Split website into homepage and site settings
#220 Add modal on successful signup