Merge branch 'release/v0.4.7' into develop

* release/v0.4.7:
  Bumped version to 0.4.7
Merge branch 'hotfix/v0.4.8' into develop

* hotfix/v0.4.8:
  [ey] Added environment check to engineyard config
  Bumped version to 0.4.8
Switch to SpBowerBundle for managing components via bower