* feature: tracking app metrics for web only
1. tracking app version with every metric
1. tracking router/page changes
1. tracking exception
* include error type and message
* uncaught exception are handled automatically by AppInsights
* caught exception are handle manually
1. tracking redux actions
* only tracking action type
* Added host process tests
* Added unit tests for host process and setup env vars
* Cleaned up unused references
* Reverted test:ci script to pre host process changes
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