Updating to Grav 1.4.7, with nginx stable release and PHP 7#4

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ThierryMallard wants to merge 3 commits intoevnsio:masterfrom ThierryMallard:master

+10-7

Commits on Jul 25, 2018

Changes for PHP7 / Nginx Stable / Grav 1.4.7 updates
Thierry Mallard
committed
Added missing mbstring extension
Thierry Mallard
committed
Added missing PHP XML extension, needed for Grav 1.4.7
Thierry Mallard
committed