Add MemInfo to the system pkg.

MemInfo provides a simple API to get memory information from the
system.

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>
Merge pull request #8550 from aluzzardi/f-meminfo

system: Add MemInfo utility.
Fix error string mapping to HTTP response code to ignore case

Docker-DCO-1.1-Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com> (github: estesp)
Removed James' email address

Changed email address for abuse reports from James to abuse@
Fix volume test using "find" to properly call find with /hello path

Docker-DCO-1.1-Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com> (github: estesp)
Up test timeout to 10s based on recent drone.io timeout failures

Docker-DCO-1.1-Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com> (github: estesp)
Merge pull request #8733 from estesp/error-string-http-status-fix

Fix error string mapping to HTTP response code to ignore case
Merge pull request #8735 from estesp/fix-test-timeout-on-drone

Up test timeout to 10s based on recent drone.io timeout failures