made repo public. Added warning in README

Author: chanezon

README.md

@@ -1,4 +1,4 @@
 # Open Container Specifications
 
-This project is where the Open Container Specifications are written.
+This project is where the Open Container Project Specifications are written. This is a work in progress. We should have a first draft by end of July 2015.
 * [Open Container Runtime](runtime.md)