Update to alpine 3.6 and latest dokuwiki#24

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kalinjul wants to merge 7 commits intoistepanov:masterfrom

kalinjul:master

Commits on Mar 14, 2017

upgrade to alpine 3.5
Julian Kalinowski
committed

Commits on Jun 12, 2017

upgrade to alpine 3.6
Julian Kalinowski
committed

Commits on Jul 4, 2017

change user to nginx
Julian Kalinowski
committed
change php fpm socker user to nginx
Julian Kalinowski
committed
change php fpm user to nginx
Julian Kalinowski
committed

Commits on Aug 8, 2017

fix php fpm user
Julian Kalinowski
committed

Commits on Sep 21, 2017

update dokuwiki version
Julian Kalinowski
committed