Update the PR template

.github/pull_request_template.md

@@ -44,7 +44,7 @@ Please link to any relevant context and stories.
 
 - [ ] I've gone through the relevant sections of the [Development Accessibility guide](https://paper.dropbox.com/doc/Accessibility-guide-4-Development--BiIVdijSaoijjOuhz3iTCJJ1Ag-rGoHpC91pFg3zTrYpvOCQ) with this component in mind
 - [ ] Component has clear documentation
-- [ ] Component is in the component library example app
+- [ ] Component is in the Component Catalog
     - [ ] Component is categorized reasonably (see [Category](https://github.com/NoRedInk/noredink-ui/blob/master/component-catalog-app/Category.elm) for all the currently available categories). The component can be in multiple categories, if appropriate.
     - [ ] Component has a representative preview for the component library example cards (bonus points for making it delightful!)
     - [ ] Component has a customizable example. Aim for having _every_ possible supported version of the component displayable through the configuration on this page. (Protip: This is handy for testing expected behavior!)
@@ -82,7 +82,7 @@ Please link to any relevant context and stories.
 - [ ] Changes are clearly documented
     - [ ] Component docs include a changelog
     - [ ] Any new exposed functions or properties have docs
-- [ ] Changes extend to the component library example app
+- [ ] Changes extend to the Component Catalog
     - [ ] The component library example is updated to use the newest version, if appropriate
     - [ ] The component library version number is updated, if appropriate
     - [ ] Any new customizations are available from the component library example