Added Assays module to study detail page, added default person image, various minor changes
Refactoring

Changed StudyDetail container into a generalized ModuleContainer with data-configurable column counts.

Made StudyDetailHeader into a reusable LearnDetailHeader.
Added study products detail page with some sample data to test the module container.
Fixed a bug with the module container.
Switch learn controller to use an object with properties for context data in place of a string array.
Fix routing to detail pages and fix data loading bug when navigating directly to a detail page.
Added labs & clinical data to the study page
Merge branch 'refs/heads/develop' into learnAbout
Removed fake site location and editorial text data from study model, added new data fields from DB.
Lab & clinical data finished (except for links)

Fixed an occasional exception.
Added some test data for Study Products page.
Finished labs and clinical data, products and assays modules
Replace 4-column layout test for Study Products page with more realistic 2-column layout, with lorem ipsum text.
Merge branch 'refs/heads/develop' into learnAbout
Link style changes
Merge branch 'refs/heads/learnAbout' into develop