Experiments saving and updating correctly using ajax
Changed the way heading are recounted and made sure accordions are unique
Saving for tasks now working
Merge branch 'development' of https://github.com/VT-CHCI/VR_kbase into development

Conflicts:
	db/schema.rb
Adding displays tooltips
Adding new metric
fixed bug where newly generated core-elements were being hidden
Merge branch 'development' of https://github.com/VT-CHCI/VR_kbase into development
finalized changes to add paper pages
Merge branch 'development'