* added handlers for slash commands
* added manual status persistance
* added tests
* removed extra debug output and comments
* rebase - fixing the PR
* making echo messages after slash commands ephemeral
* Added @here mention that notifies online users
* Fixed existing race condition that would sometime cause clients to miss mention count changes
* Added missing localization strings
* Prevent @here from mentioning the user who posted it
* Refactored statuses into a more real-time system
* Updated package.json with correct commit and fixed minor bug
* Minor updates to statuses based on feedback
* When setting status online, update only LastActivityAt if status already exists
