* Extracting html templates into a library
* Moving tests to the right place
* Fixing tests
* Addressing PR review comments
* Addressing PR review comments
* Replacing attomic with RWMutex
* Returning errors as channel for Templates watcher
* Address PR review comments
* Other small fixes
* Simplifying NewWithWatcher
* Addressing PR review comments
* Making error handling on rendering templates more robust
* Fixing tests
* Changing how we return errors
* Fixing shadow variables
* Addressing PR review comments
* Logging errors from the outside of sendNotificationEmail
* Fixing lock in shutdown
* Fixing the resource copy for commands tests temporary directories
* Removing unused import
* A couple of tiny fixes
