Merge branch 'stable-2.16' into stable-3.0

* stable-2.16:
  Update git submodules
  Update git submodules
  Fix screens inherited from PaginatedProjectScreen
  Upgrade GWT to version 2.8.2
  Bump GWT version to 2.8.0
  Bump GWT version to 2.8.0-rc2

Change-Id: I0bd6a7339e9b6ea1b95f5097a909b483ddaf6cf7