Updated ec2-cloud provider

git-svn-id: https://svn.code.sf.net/p/cogkit/svn/trunk@4039 5b74d2a0-fa0e-0410-85ed-ffba77ec0bde
Adding gce-cloud provider

git-svn-id: https://svn.code.sf.net/p/cogkit/svn/trunk@4040 5b74d2a0-fa0e-0410-85ed-ffba77ec0bde
Committing latest provider changes

git-svn-id: https://svn.code.sf.net/p/cogkit/svn/trunk@4041 5b74d2a0-fa0e-0410-85ed-ffba77ec0bde
Updating conf schema

git-svn-id: https://svn.ci.uchicago.edu/svn/vdl2/trunk@8074 e2bb083e-7f23-0410-b3a8-8253ac9ef6d8