Minor fix
Remove old methods of the old recommender system
Scaffold for the new LO Recommender System
Minor enhancements for RS
Add folder to add XSD files
Added files to xsd folder in order to declare in imsmanifest in IMS QTI packages
AND logical operator for the RS
Reassign weights for RS
Preselection in RS
Recommender System First version
First version of LO RS.
Include Recommender data in reduced json of excursions to track the RS
gemfile