* Consistent license message for all the go files
* Fixing the last set of unconsistencies with the license headers
* Addressing PR review comments
* Fixing busy.go and busy_test.go license header
* MM-2954
* Added new const post type for /me commands
* Modified me command to return response text without *__* wrapper
* Modified unit test for MeCommand to reflect changes
* Added unit test for the me command provider
* * Reverted change to text property in me command response
* Added original message in me command response props
* Updated unit tests
* gofmt changes