Extracts common logic to SectionView
Adds report print view
Removes empty templates. Defaults to application layout
Adds print action to reports controller
Uses custom BaseView instead of simple Backbone.View
Fixes default template for missing templates errors
Updates print template for report
Adds jQuery sortable plugin
Updates print view

* User can select which images to print
* User can change images order
* User can adjust brightness and contrast values for images
Uses version 0.1.2 for jquery.sortable plugin
Uses attachments order when generating print layout
Cleans css styles
Merge branch 'feature/select-images-for-report' into develop