Install php-soap by default with PHP

roles/webserver/tasks/php.yml

@@ -5,6 +5,7 @@
       - 'php5-curl'
       - 'php5-gd'
       - 'php5-intl'
+      - 'php-soap'
       - 'php5-mcrypt'
       - 'php-mime-type'
       - 'php5-pgsql'
@@ -22,6 +23,7 @@
       - 'php{{ php_version }}-curl'
       - 'php{{ php_version }}-gd'
       - 'php{{ php_version }}-intl'
+      - 'php{{ php_version }}-soap'
       - 'php{{ php_version }}-mysql'
       - 'php{{ php_version }}-pgsql'
       - 'php{{ php_version }}-sqlite3'