Expose # of CPUs and memory available on docker info.
@@ -848,6 +848,8 @@ For example:
Execution Driver: native-0.2
Kernel Version: 3.13.0-24-generic
Operating System: Ubuntu 14.04 LTS
+ CPUs: 1
+ Total Memory: 2 GiB
Debug mode (server): false
Debug mode (client): true
Fds: 10
