When upgrading/downgrading collections, child collections should also be upgraded/downgraded. Fixes #194
Move Course and Personal collections to tufts_models. Fixes #196
Upgrade to tufts_models v1.0.0.rc6
added prev/next links for traversing collections; fixes #189
pulled out prev and next positions into a method to clean up the controller
Merge pull request #197 from curationexperts/view_in_context

added prev/next links for traversing collections; fixes #189
added link to get to first member of collection; fixes #198
Set font sizes dynamically for ppt export
Tighten up gallery layout

Closes #149
Clean up home page layout
Align LogoType
made '+' button work on forms; fixes #199
made edit page work with empty collections
bumped tufts_models version
made add to collection buttons enabled only when a collection is selected; fixes #200