Issue #2349195: improved multichoice feedback
misc
Add Drupal\quiz\Quiz, wrapper for helper classes.
Merge branch 'dev-master' into pr/node-helpers

* dev-master:
  Continue with sub-modules.
Move node helpers to sub-namespace.
Fix quiz_view() -> Missing return.
Call node presave helper with $node variable.
Add NodeFormHelper class.
Remove debug code.
Fix fatal error when submit feedback form for scale question.
Merge branch 'pr/fatal-error-on-scale-question-feedback' into dev-master

* pr/fatal-error-on-scale-question-feedback:
  Fix fatal error when submit feedback form for scale question.
Fix PHP warning: Declaration of LongAnswerResponse::getReportFormValidate() should be compatible with QuizQuestionResponse::getReportFormValidate()
Merge branch 'pr/fix-method-incompatible' into dev-master

* pr/fix-method-incompatible:
  Fix PHP warning: Declaration of LongAnswerResponse::getReportFormValidate() should be compatible with QuizQuestionResponse::getReportFormValidate()
Issue #2351255 by thehong: Fixed Declaration of LongAnswerResponse::getReportFormValidate() should be compatible with QuizQuestionResponse::getReportFormValidate().
Merge branch '7.x-5.x' into dev-master

* 7.x-5.x:
  Issue #2351255 by thehong: Fixed Declaration of LongAnswerResponse::getReportFormValidate() should be compatible with QuizQuestionResponse::getReportFormValidate().
  Issue #2349195: improved multichoice feedback
Merge branch 'pr/node-helpers' into dev-master

* pr/node-helpers:
  Remove debug code.
  Add NodeFormHelper class.
  Call node presave helper with $node variable.
  Fix quiz_view() -> Missing return.
  Move node helpers to sub-namespace.
  Add Drupal\quiz\Quiz, wrapper for helper classes.
  misc
Issue #2349195: improved multichoice feedback
Use PSR-0 test cases.
Translate description in hook_node_info().
Use xautoload.module for PSR-4 autoload loading.