Fix one choice question type validation.
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
Add new 'not enough data' validation when related values are less than 1.
Add validation to calculate user time just when average time to answer is bigger than one.
Merge branch 'fallback-mode' of https://github.com/grockit-test-prep/maua into fallback-mode
Merge pull request #111 from joanrm20/fallback-mode

Maua client timing improvements
Include 'user answered' to Timing validation.
Merge pull request #112 from joanrm20/fallback-mode

Include 'user answered' to Timing validation.
Merge branch 'fallback-mode' of https://github.com/grockit-test-prep/maua into fallback-mode
Fix Practice indentation.
Improve question review section.
Improve Timing Boxes.
Improve Review section.
Merge branch 'fallback-mode' of https://github.com/grockit-test-prep/maua into fallback-mode
Add SnapEngage
Merge pull request #113 from joanrm20/fallback-mode

Maua client new features
Add snapChat.js
Improve way to call snap chat from index.html
Change 'ng-if' by 'ng-show'.
And angular timeout in order to force digest cycle to force class apply.
*Add validation over history controller in order to avoid show 'history' for non 'gre' users.

If the user change the group from history page, they can be able to see the history inside Grockit 2.0 even for no GRE groups.
Fix Fraction highlight input.
*Add validation to numeric confirm choice.

*It sometimes bring me 'answerId' and sometimes 'id'.
*Remove old un used function 'answerHasExplanation'.
Fix review controller Indentation
Improve code readability for auth service.

*Some days ago I found a better way to validate this.
Merge pull request #114 from joanrm20/fallback-mode

Maua client Improvements
Fix random tracks length.