Merge pull request #1022 from aanand/previously-known-as

Add 'previously known as Fig' note to README.md

Author: bfirsh

README.md

@@ -3,6 +3,8 @@ Docker Compose
 
 [![wercker status](https://app.wercker.com/status/d5dbac3907301c3d5ce735e2d5e95a5b/s/master "wercker status")](https://app.wercker.com/project/bykey/d5dbac3907301c3d5ce735e2d5e95a5b)
 
+*(Previously known as Fig)*
+
 Compose is a tool for defining and running complex applications with Docker.
 With Compose, you define a multi-container application in a single file, then
 spin your application up in a single command which does everything that needs to