8.0 Updates (inductiveautomation#19)

* wip, update versions and examples for 8

* Notification Example fixes

* Gateway network example

* Home connect example

* Notification Example fixes, removed modbus example

* Reporting component fixes

* Scripting RPC example

* Slack notification module

* SimpleTagProvider -> ManagedTagProvider

* Cleanups, renaming part 1

* More moves and renaming

* Scripting example, more rearranging

* Updates

* Updates/cleanup

* Abstract Tag Driver rename/cleanup

* MTP cleanup

* Classname cleanups

* Use Device API instead of Driver

* Fix home connect settings page

* Report designer & report component, other cleanups

* Package naming consistency pt1

* Build changes

* Expression function checklist pass

* Gateway webpage checklist

* Managed tag provider checklist

* Report datasource checklist

* Scripting function checklist pass, docs improvement

* Slack notification checklist pass

* Attempt 1

* OPC UA device example and cleanups

* Cleanup continued

* Final cleanups

* more final cleanup

* Final deletes