…ng it

* master:
  Remove hardcoded set date_default_timezone_set to Europe/Berlin

* master:
  Raised docker-compose version to 3
  Set error_reporting to E_ALL ^ E_NOTICE ^ E_DEPRECATED ^ E_STRICT
  Readme: Set correct links to it
  Nginx: Deny all hidden files that starts with a '.'
  First docker environment is ready and runnable
  Remove the set of "error_reporting"
  Removed mysql_ functionality in favor of mysqli
  Fixed constructor names for PHP7 while calling installation

Run PHP syntax and code style checks on Travis CI for PHP versions 5.6, 7.0, 7.1 and nightly.
All checks are currently non-fatal and don't fail on errors.
This should be changed when the codebase improves.

PHP Parse error:  syntax error, unexpected '?' in ./modules/tournament2/team_details.php on line 56

Add initial Travis CI configuration

Fix syntax error in modules/tournament2/team_details.php

Make PHP syntax check fatal

Introduced composer and load Smarty from it

This change modifies the database and requires a database upgrade
from within the lansuite admin area.

After the database upgrade, the old MD5 user passwords will be
automatically converted to PBKDF2-SHA1 on the next user login.
Clan and team passwords will only be upgraded, when new passwords
are set.

PBKDF2-SHA1 was choosen for compatibility with the ejabberd XMPP
server password storage.