Update readme.md to add download information.

readme.md

@@ -2,6 +2,13 @@
 
 **Visor for OSX** provides a systemwide terminal window accessible via a hot-key, much like the consoles found in games such as Quake.
 
-<img src="http://visor.binaryage.com/shared/img/visor-mainshot.png">
+Visit [visor.binaryage.com](http://visor.binaryage.com)
+
+## About this version
+
+This version contains a fix for visor issue #73: creating a new tab while visor is hidden make visor being "stuck".
+
+Downloads:
+* [32bit version](http://github.com/jmlacroix/visor/raw/master/Visor-unstable32.zip)
+* [64bit version](http://github.com/jmlacroix/visor/raw/master/Visor-unstable64.zip)
 
-## Visit [visor.binaryage.com](http://visor.binaryage.com)