Nuspire

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* New nav bar design
* New nav menu accessed via the avatar in the app bar
* New splash screen
* New ability to create tasks
* New tags for external news articles
* New app bars that collapse on scroll
* Updated task and case detail screens
* Updated caching logic for snappier screens
* Fix: Case details screens are no longer blank
* Fix: Nutron chats no longer include "Unsupported Source" comments
* Fix: Notification item pages now include a back button