#749: slightly simplify course images customisation
#759: redirect /courses to /cours
#764 i18n replace 'Université' by 'Etablissement'
#765: change COURSES_BY_PAGE from 12 to 24
Add tag version on dmcloud requirements
Revert "Add tag version on dmcloud requirements"

This reverts commit a8fe93098f3db093aeeef1a47329670aaf9cc489.
Add tag version on dmcloud requirements
Set INRIA ipython-xblock revision number
#753: exclude non featured (spoc related) universities from courses list
New version of IPython Xblock

Launch Iframeresizer synchronously
Merge pull request #10 from neurolit/ipython-xblock-asynchronous-bug

Requirements: New version of IPython Xblock
New version of IPython Xblock

- stop auto-sizing height
- set correct xblock display name in LMS
Merge pull request #11 from neurolit/no-auto-resize-and-display-name

New version of IPython Xblock (stop auto-sizing height, set correct xblock display name in LMS)
#622 change course start date display
#752 missing i18n
Merge pull request #13 from openfun/task#778_export_user_data

Task#778 export user data
#748 add emailing result file
add pep8 except E265 and E501