Remove OASIS bits

Signed-off-by: John Else <john.else@citrix.com>
Import memory.ml changes from xenopsd

Signed-off-by: John Else <john.else@citrix.com>
Remove some of the standalone programs

Signed-off-by: John Else <john.else@citrix.com>
Remove xal

Signed-off-by: John Else <john.else@citrix.com>
Add README.md

Signed-off-by: John Else <john.else@citrix.com>