Allow nodepool to launch 3 process, instead of 1. This is to overcome
capacity issues with a single process.
Change-Id: Ibe41ce3c488da9cd68d8833b61fd42682f0b4e73
Depends-On: Iaee3148d6710f796e9f1ea7cba2962cfbb530fa2
Signed-off-by: Paul Belanger <pabelanger@redhat.com>