fix some errors in mysql setup file for latest mysql image

Fix yarn installation

Jefhar patch 1

Update Dockerfile-71

Fix Dockerfile-70

Update env-example

re-added .gitignore for nginx dir, still do not want configs in git

Php worker

Add apache2 vhost ＆ example

Add ;fi to end if INSTALL_INTL block

* 'master' of https://github.com/Laradock/laradock:
  Update docker-compose.yml
  intl support

Closed if [] ;fi in Human Language and Character Encoding Support:

added PHP_FPM_INSTALL_INTL=false to PHP_FPM_INSTALL_INTL=false

Adding intl support to php-fpm container

- add `project-1.conf` and `project-1.conf` to match the docs.
- keep default to work with both multiple and single projects.
- delete the .gitignore.
- update docker-compose and example-env file to match the new settings
- update the docs
- delete `laravel-https.conf` to replace it with documentation instead

We have already 7.1 image builded. + intl and ghostscript support 
https://github.com/laradock/laradock/pull/672
https://github.com/laradock/laradock/pull/680

* multiple-projects-improvement:
  updated env-example and removed .env.example
  complete missings
  Seperated mysqli and tokenizer as seperate options without putting them under code igniter
  Apache should just go to /var/www not /var/www/public when supporting multiple projects
  fixed example and docker-compose.yml
  Fixed php-fpm variables and example
  Split up mysqli and tokenizer
  Removed homestead entirely this time
  Removed homestead entirely this time
  Removed Homestead reference in all DB containers
  Removed reference to homestead
  Fixed timezone issue in docker-compose.yml
  Added NGINX from env file and updated env-example
  Updated PHP-FPM container to accept .env variables
  Added workspace from env file and updated env-example
  Removed .env file
  Added env-example and adjusted docker-compose yml to support new env file
  Updated gitignore

Fix `nginx: [emerg] BIO_new_file("/var/certs/cert1.pem") failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/var/certs/cert1.pem','r') error:2006D080:BIO routines:BIO_new_file:no such file)`

closes #636

Revert "Add apache conf file for specific virtualhost ServerName"

Elasticsearch - Fix plugins directory