Merge branch 'release/0.26.7.5'
Merge branch 'release/0.26.7.6'
Debug code for the loading entries spinner (commented).
Import some spinners from https://github.com/jxnblk/loading (MIT License).
A new spinner that will hopefully look the same, whatever the browser and the OS (IE excepted, but that doesn't count: we have no IE user according to google analytics).
version bump for 0.26.7.7.
Debug code for the loading entries spinner (commented).
Import some spinners from https://github.com/jxnblk/loading (MIT License).
A new spinner that will hopefully look the same, whatever the browser and the OS (IE excepted, but that doesn't count: we have no IE user according to google analytics).
version bump for 0.26.7.7.
Make the nginx 502 page look more professionnal. Make it bootswatch-aware, put a logo and a loading cylon, enhance the messages and insert and a support link.
version bump
Merge branch 'hotfix/0.26.7.8'
Merge tag '1flow-0.26.7.8' into develop

0.26.7.8

Conflicts:
	oneflow/__init__.py
Make the nginx 502 image not conflict with standard webapp images, and make them work behind a real nginx.
version bump for 0.26.7.9.
Merge branch 'release/0.26.7.9'
Merge tag '1flow-0.26.7.9' into develop

0.26.7.9 1flow-0.26.7.9
Include the scrollbars module to unify scrollbars appearance on all browsers.
Make use of the new scrollbars module for the article content.