Initial code for pecan framework

This patch introduces pecan framework to multicloud. The number
of processes equals to the number of CPU cores.

The swagger json url has been implemented in this patch.

../api/multicloud/v0/swagger.json

Change-Id: Icd0ebd9f275c2f066295ec3c2723d995d71ef632
Issue-ID: MULTICLOUD-150
Signed-off-by: Hong Hui Xiao <honghui_xiao@yeah.net>
10 files changed