add survey sections, reordering, section submission rendering
Document building mysql2.
Ensure that the files that virtual folders list can be accessed by the user before displaying them.
Fix layout of the Materials component after upgrading to Bootstrap 3.
Use the Rails asset pipeline for the Angular sortable plugin.
added js lib for form serialisation
survey submission
Merge branch 'development' of github.com:Coursemology/coursemology.org into dev/raymoond_dev
Merge branch 'development' of github.com:Coursemology/coursemology.org into Deploy