Moved composer out of the private directory

Unsure if that's why I couldn't make the file, thinking of perhaps making the
log directory part of the directory structure instead of creating it on the
fly in Travis CI.

composer.lock

@@ -3,7 +3,7 @@
         "This file locks the dependencies of your project to a known state",
         "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file"
     ],
-    "hash": "a7bdd9db7c3361000e485b42f5d495d3",
+    "hash": "485fce2d03ad9e34cecb409899f06a37",
     "packages": [
         {
             "name": "devize/closure-compiler",