Add missing default package names for Debian/php7.

This was causing an error with the php.ng.redis and php.ng.xdebug states.

php/ng/map.jinja

@@ -17,9 +17,11 @@
                 'mcrypt': 'php7.0-mcrypt',
                 'mysql': 'php7.0-mysql',
                 'pspell': 'php7.0-pspell',
+                'redis': 'php7.0-redis',
                 'snmp': 'php7.0-snmp',
                 'soap': 'php7.0-soap',
                 'sqlite': 'php7.0-sqlite3',
+                'xdebug': 'php7.0-xdebug',
                 'xsl': 'php7.0-xsl',
                 'xml': 'php7.0-xml',
                 'zip': 'php7.0-zip',