Removed 'mariadb_version' variable that doesn't exist anymore
Merge pull request #301 from Ilyes512/fix-mariadb

Removed 'mariadb_version' variable that doesn't exist anymore
forcing yes on apache install, adding apt-key updates for php/apache
updated FPM to only listen to localhost (127.0.0.1) clients - in this case, nginx
My GitHub Settings
DRYing up github urls in the vagrantfile
Added NGXCB and make use of it within nginx.sh

NGXCB (Nginx Create Block) makes it easy to quickly create and optionally enable it right away. Type in `sudo ngxcb -h` for more info.
Added ngxcb to helpers

- Added ngxcb to helpers
- Removed nghost
- Renamed the helpers including adding '.sh' extension
Attempt to fix missing signature