php ext bz2 (#2500)

* php ext bz2
* fix typo
* fix php-fpm bz2 ext
* fix horizon bz2 ext

env-example

@@ -100,6 +100,7 @@ WORKSPACE_INSTALL_NPM_ANGULAR_CLI=false
 WORKSPACE_INSTALL_PHPREDIS=true
 WORKSPACE_INSTALL_WORKSPACE_SSH=false
 WORKSPACE_INSTALL_SUBVERSION=false
+WORKSPACE_INSTALL_BZ2=false
 WORKSPACE_INSTALL_XDEBUG=false
 WORKSPACE_INSTALL_PCOV=false
 WORKSPACE_INSTALL_PHPDBG=false
@@ -169,6 +170,7 @@ PHP_FPM_INSTALL_OPCACHE=true
 PHP_FPM_INSTALL_IMAGE_OPTIMIZERS=true
 PHP_FPM_INSTALL_PHPREDIS=true
 PHP_FPM_INSTALL_MEMCACHED=false
+PHP_FPM_INSTALL_BZ2=false
 PHP_FPM_INSTALL_XDEBUG=false
 PHP_FPM_INSTALL_PCOV=false
 PHP_FPM_INSTALL_XHPROF=false
@@ -219,6 +221,7 @@ PHP_FPM_PGID=1000
 
 ### PHP_WORKER ############################################
 
+PHP_WORKER_INSTALL_BZ2=false
 PHP_WORKER_INSTALL_PGSQL=false
 PHP_WORKER_INSTALL_BCMATH=false
 PHP_WORKER_INSTALL_PHALCON=false
@@ -250,6 +253,7 @@ NGINX_SSL_PATH=./nginx/ssl/
 
 ### LARAVEL_HORIZON ################################################
 
+LARAVEL_HORIZON_INSTALL_BZ2=false
 LARAVEL_HORIZON_INSTALL_SOCKETS=false
 LARAVEL_HORIZON_INSTALL_YAML=false
 LARAVEL_HORIZON_INSTALL_PHPREDIS=true