Add script to create test data
Merge branch 'sample_data' into development
Shorten the model test & add checking for the 8 learning style score
Add learning scores to LearnerProfile
Ajust LearnerProfile's factory to generate 8 learning scores
Merge branch 'model/learner_profile' into development
Refactor Resource model's spec
Add test for Resource#learner_compatibility_score
Implement Resource#learner_compatibility_score
Merge branch 'model/resource' into development
Merge branch 'development' into sample_data
Refactor Concept model's spec
add tests for Concept#resources
Merge branch 'model/concept' into sample_data
modify seed yaml