Bump tiger-master-provisioning to 1.0.6
Upgrade Terraform to 0.6.12
Move stopping Jenkins masters to preapply phase to avoid using new settings not yet valid. Remove refresh-project (no necessary for operations, it is done automatically).
[TIGER-1146] change NFS mount logic for backing up Elasticsearch
[TIGER-1165] Add tiger.protocol to controller dna.config
SSL termination in ELB was not working. Define $scheme explicitly.