Merge pull request #279 from WindowsAzure/dev

Windows Azure Management Libraries Preview
Merge pull request #283 from WindowsAzure/dev

Compute management library 0.9.1-preview pull
Merge pull request #285 from WindowsAzure/dev

PublicPort instance fix
Merge branch 'master' into dev
Merge pull request #292 from jeffwilcox/dev

Preparing to merge dev to master