Merge pull request #448 from WindowsAzure/dev

Release 0.6.7
Merge pull request #495 from WindowsAzure/0.6.8

0.6.8 Release
Merge branch 'dev'
Updated version # in package.json
Merge pull request #522 from christav/release-dec-2012

Updated version # in package.json
Updated change log for 0.6.9
Merge pull request #523 from christav/release-dec-2012

Updated change log for 0.6.9
Merge pull request #524 from WindowsAzure/release-dec-2012

Release dec 2012
Merge pull request #525 from WindowsAzure/master

Sync dev up with v0.6.9 release
Merge pull request #531 from andrerod/errors

Errors
Merge pull request #537 from andrerod/dev

#503: Update xml2js to version 0.2
Merge remote-tracking branch 'upstream/dev' into dev