Update easy-wi_install.sh

Update easy-wi_install.sh

- add locales
- set to en_US.UTF-8

Increase sudo robustness

Debian 9 PHP Fix

Increase version

Fix update check in case of 9+ sub version

Merge pull request easy-wi#21 from Lacrimosa99/patch-1

fix WR Mode - User Group

Merge pull request easy-wi#15 from easy-wi/easy-wi#14-distinct-user

FIX easy-wi#14

PHP 7 and FPM @/etc/sudoers

FPM @/etc/sudoers