Adding include path. This is the simplest way to get composer working out of the box, but is not ideal in the long run - it would be best to move to autoload-only, but I don't feel we can do that right now - maybe later.

	Change on 2013/11/13 by ianbarber <ianbarber@google.com>
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=56596990

Author: Ian Barber

composer.json

@@ -12,5 +12,6 @@
         "psr-0": {
             "Google": "src"
         }
-    }
+    },
+    "include-path": ["src/"]
 }