Add explicit dependency on commons-io

Change-Id: I6487d27ab01503147eefab061802be434f6a6af1
diff --git a/BUCK b/BUCK
index 2e48ed9..f2901e3 100644
--- a/BUCK
+++ b/BUCK
@@ -14,7 +14,7 @@
   ],
   deps = [
     ':amqp-client',
-    '//lib/commons:io',
+    ':commons-io',
     ':guice-multibindings',
   ],
   provided_deps = [
@@ -39,6 +39,13 @@
 )
 
 maven_jar(
+  name = 'commons-io',
+  id = 'commons-io:commons-io:1.4',
+  sha1 = 'a8762d07e76cfde2395257a5da47ba7c1dbd3dce',
+  license = 'Apache2.0',
+)
+
+maven_jar(
   name = 'guice-multibindings',
   id = 'com.google.inject.extensions:guice-multibindings:4.0',
   sha1 = 'f4509545b4470bbcc865aa500ad6fef2e97d28bf',