Patch version bump (v1.21.3)

tlunter · tlunter · commit 910f85e2c5d5 · 2015-04-29T08:05:16.000-04:00
* Enable use of docker cache
diff --git a/lib/docker/version.rb b/lib/docker/version.rb
@@ -1,6 +1,6 @@
 module Docker
   # The version of the docker-api gem.
-  VERSION = '1.21.2'
+  VERSION = '1.21.3'
 
   # The version of the compatible Docker remote API.
   API_VERSION = '1.16'
