Merge pull request #108 from joanrm20/fallback-mode

Maua client answers Improvements.
Validate default values in fraction entries

Remove a console.log in the history controller.
Remove the unnecessary ngCookies import in the auth services.
Merge remote-tracking branch 'grockit/fallback-mode' into fallback-mode
Merge pull request #109 from joanrm20/fallback-mode

Fix one choice question type validation.
Merge pull request #110 from mlopez-firstfactory/fallback-mode

Fallback mode
Merge branch 'fallback-mode' of https://github.com/grockit-test-prep/maua into fallback-mode