Use the angular.isUndefined function as noted by the eslint rules.
Change-Id: I0a48a8520f6cd0f1cdbbddb6b1395f82ad696f91
Partially-Implements: blueprint jscs-cleanup
This patch breaks up launc-instance.js into small pieces according to
Horizon code style.
Change-Id: I852943a5223289391b1b8a315be80a48dcd39fb6
Partially-Implements: blueprint jscs-cleanup