Modify the position of error message and set the initial visibility of some area to invisible.
Fixes missing fields from requirement copyFrom method.
submit imported requirements button is now set to disabled until a requirement is selected.

The user is no longer able to edit imported requirements. Only created requirements can be edited.

The start game button now is disabled correctly when all requirements are removed.

The start game button is now enabled correctly when a requirement is imported.
Adds a debug message when the requirement is successfully updated in the model
Increases the update depth for the requirement and the game to 3
Merge branch 'dev' into fixVotes

* dev:
  submit imported requirements button is now set to disabled until a requirement is selected.
  Fixes missing fields from requirement copyFrom method.
  Modify the position of error message and set the initial visibility of some area to invisible.