added hhvm to install

frameworks/PHP/php-laravel/install.sh

@@ -3,7 +3,7 @@
 export PHP_HOME=${IROOT}/php-5.5.17
 export COMPOSER_HOME=${IROOT}/php-composer
 
-fw_depends php nginx composer
+fw_depends php nginx composer hhvm
 
 ${PHP_HOME}/bin/php ${COMPOSER_HOME}/composer.phar install \
   --no-interaction --working-dir ${TROOT} \