Merge branch 'feature/php-fpm-envpath' into 'stable-3.1'

Set default env[PATH] and env[HOSTNAME]

Set default env[PATH] and env[HOSTNAME]  since it is cleared by default setting clear_env = yes in php-fpm

See merge request !363

server/conf/php_fpm_pool.conf.master

@@ -28,9 +28,11 @@ pm.max_requests = <tmpl_var name='pm_max_requests'>
 
 chdir = /
 
+env[HOSTNAME] = $HOSTNAME
 env[TMP] = <tmpl_var name='document_root'>/tmp
 env[TMPDIR] = <tmpl_var name='document_root'>/tmp
 env[TEMP] = <tmpl_var name='document_root'>/tmp
+env[PATH] = /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 
 <tmpl_if name='security_level' op='==' value='20'>
 <tmpl_var name='enable_php_open_basedir'>php_admin_value[open_basedir] = <tmpl_var name='php_open_basedir'>