Bumping node version and updating changelog.
Merge pull request #167 from WindowsAzure/release2-dec-2012

Release2 dec 2012
Adding support for creating and deleting affinity groups
Changed the option names to --description and --affinity-group on the storage command. This is the same options as used on other commands in the CLI (vm disk, vm image).
271: Always prompt for username in the SQL cmdlets
#256: Improve error message for 'firewallrule' commands when the rule name is invalid
Merge pull request #272 from andrerod/dev

271: Always prompt for username in the SQL cmdlets
Removing unused requires
#256: Fixing firewall rule create error message
Fixing db create error message
Updating package.json
Revert "Removing unused requires"

This reverts commit 4e7b390f93673dda9b6a68b8d08f1f5acd5c58e3.
Updating to release branch
Merge pull request #275 from andrerod/dev

Fixing few error message issues and updating package.json
Correcting branch name
Merge pull request #280 from andrerod/dev

Correcting branch name
Fix jsHint warnings
Fix more errors
Removing SB contracts from xplat CLI
Update package.json