Change deploy flavor of proxy nodes

Current settings:

• ood-gpfs5: m1.xlarge-ruffner
• http-proxy: m1.medium-ruffner
• ssh-proxy: m1.xlarge-ruffner

We want to change to:

• ood-gpfs5: cpu16-64g
• http-proxy: cpu16-64g
• ssh-proxy: m1.xlarge