change import_demo_data_v1.rb
Merge branch 'develop' of github.com:mindpin/knowledge-camp into develop
Merge branch 'develop' of github.com:mindpin/knowledge-camp into develop
Merge branch 'develop' of github.com:mindpin/knowledge-camp into develop
Merge branch 'develop' of github.com:mindpin/knowledge-camp into develop
Merge branch 'develop' of github.com:mindpin/knowledge-camp into develop