7.x

Bunch of fixes:

• Prevent processing of empty product reference fields
• style the code according to drupal standards
• some other minor fixes

Improved session and token handling for anonymous users.

• Added submit handler support for plugins
• File key provider now creates the encryption key if it doesn't exist, and has better checks on validation
• Other improvements

Adding makefile for drush make workflows. Fixing issue with legend visibility.

Added "Powered by Imgly" block and setting to include text in Imgly node template.

Changed overlay div container ID to be compliant with Drupal/CSS standards.