Tweaks and fixes for forms and rubric pages
Merge branch 'master' of git://github.com/MarkUsProject/Markus into form-tweaks
Migrate mass-assignment security to strong_parameters

Ahead of the upgrade to Rails 4, this change removes the use of
attr_accessible and attr_protected as mass assignment protection
mechanisms in favour of whitelisting input attributes at the
controller level.

See http://blog.markusproject.org/?p=5588 for more details.
Handle submission rule changes correctly in assignment editing

Resolves GH-1622.
Fix i18n for graders.group_name
Merge pull request #1645 from arkon/form-tweaks

Tweaks and fixes for forms and rubric pages
Merge pull request #1654 from oneohtrix/fix_groupe_i18n

Fix i18n for graders.group_name
Fix section due date duplication

They were not being properly whitelisted previously, and the
workaround did not check if the due dates already existed before
creating new due dates.

This fix allows Rails to simply Do The Right Thing.
Make the section dues message less awkward
Fix a Hound warning
Update dependencies
Merge branch 'strong_params' into rails408

* strong_params:
  Fix section due date duplication
  Handle submission rule changes correctly in assignment editing
  Migrate mass-assignment security to strong_parameters
  Fix i18n for graders.group_name
  Tweaks and fixes for forms and rubric pages

Conflicts:
	app/controllers/assignments_controller.rb
	config/application.rb
	config/environments/development.rb
	config/environments/test.rb
Merge branch 'update' into rails408

* update:
  Update dependencies

Conflicts:
	Gemfile.lock
Merge branch 'locale' into rails408

* locale:
  Fix a Hound warning
  Make the section dues message less awkward
How does the strong_parameters gem keep sneaking back in?!?
More ActiveRecord updates