Updated: Gemfile.lock to use latest version of gems
Merge branch 'master' of github.com:benjaminvialle/Markus into Gemfile
Closes #1120: Grader should go to submissions

 - add of the rule for the grader to see the sub_menu in submissions
and results pages.
 - modification of tests which were, for me, obsolete.
Closes #265: Adding possibility to map grader to section

 - addition of a select in graders/index
 - modification of the filters tables, addition of a rule
Start work on API wrapper
Add user creation to the API wrapper
Remove User class, simpler to just manipulate hashes
Closes #969: Removed fake path in message
added i18n for section
Closes #1111: Possibility to download all submissions from all groupings

 - added link to download
 - added action download_groupings_files in SubmissionsController
added ':' to section's name
Closes #1133: Security flaw in download action

- edited authorized_to_download? method in ResultController
Merge pull request #1137 from GhiGt/issue-1133

Closes #1133: Security flaw in download action
Merge pull request #1128 from GhiGt/issue-265

Closes #265: adding possibility to map grader to section
Merge pull request #1122 from GhiGt/issue-1120

Closes #1120: grader should go to submissions
Merge branch 'master' into Gemfile
Updated gems
Merge pull request #1139 from danielstjules/issue-1125

Closes #1125: REST API wrapper for MarkUs
bug fixed
fix security flaw for download actions

 - edited authorized_to_download action
 - changed redirect with render in download_zip action