Merge branch 'release/0.26.2.2' into develop
http://1flow.io/ Infrastructure documentation update.
ignore *~
the better 502.html for nginx when the Django app is down.
More infrastructure documentation.
version bump for 0.26.2.3.
Merge branch 'release/0.26.2.3' into develop
Merge branch 'release/0.26.2.3'
Update MAIN_SERVER -> DBCACHE_SERVER because of now-splitted settings in different containers in production.
version bump for 0.26.2.4.
Merge branch 'release/0.26.2.4'