no issue
- add ember-suave dependency
- upgrade grunt-jscs dependency
- add a new .jscsrc for the client's tests directory that extends from client's base .jscsrc
- separate client tests in Gruntfile jscs task so they pick up the test's .jscsrc
- standardize es6 usage across client
closes#5903, refs #5409
- switch alert/notification component tests from unit to integration where appropriate
- rename `notifications.closeAll` to `notifications.clearAll` to better represent it's behaviour
- add concept of a "key" to alerts/notifications and ability to close only specified keys through notifications service
- close duplicate alerts/notifications before showing a new one
- specify a key for all existing alerts
- close failure alerts on successful retries
- clear all currently displayed alerts on successful sign-in
