USBMSD example with a file system located in RAM

Dependencies:   mbed RAM_DISK

Revision:
0:05b14f327027
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RAM_DISK.lib	Sat Mar 03 07:56:05 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/samux/code/RAM_DISK/#ba333853266b