Correctly update value when sub-array

[mrloop]

trafficstars

{{#each selections in allMySelections}}
  {{select-2 value=selections content=aContentArray multiple=true}}
{{/end}}

Without update allMySelections doesn't get updated when sub-array selections change.

[mrloop]

No test case included, how do you run the test suite?

[koemeet]

@mrloop Clone this repo, run npm install && bower install then run ember test --server