Basic readme

readme.txt

+=== Redis Page Cache ===
+Contributors: ethitter
+Donate link: https://ethitter.com/plugins/
+Tags: redis, cache, page cache, performance
+Requires at least: 1.5
+Tested up to: 3.8
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+
+Redis-powered page cache for WordPress