WIP primary and secondary resources on steps
add secondary resources
upgrade dependencies
upgrade dependencies
upgrade dependencies
refactor NonDigitalResource into a new Bundle
end refactoring NonDigitalResources
clean config
reogarnize templates
code refactoring
add migration for new schema
change model
Changed the path scenario draggable steps behavior
Drag and Drop path scenario steps
code cleanup
Merge pull request #216 from pitrackster/2.0

Drag & Drop path scenario steps behavior
clean code
remove dependency
update font-awesome
update php docs