updated composer dependencies and fixed issue with xdebug

Author: DKravtsov

composer.lock

@@ -1,7 +1,7 @@
 #!/bin/bash -x
 
 if [ "$ENV" == "dev" ] || [ "$ENV" == "test" ]; then
-    pecl install xdebug
+    pecl install xdebug-2.9.8
     mv /tmp/xdebug.ini /usr/local/etc/php/conf.d/
 else
     rm /tmp/xdebug.ini