Update readme.md
update copyright headers
remove incorrectly added file
Add a few missing copyright headers
adding contributors file
Merge pull request #1057 from WindowsAzure/master

Merge master back to dev
Merge pull request #1056 from andrerod/copyright

update copyright headers
Merge
Refactor azure module structure
Apply review comments
Merge pull request #1066 from andrerod/structure

Factoring preview management APIs as separate modules
Notification Hubs: updated references
Update wrappers
Merge
Merge remote-tracking branch 'upstream/dev' into structure
Update wrappers
Lock xmlbuilder version
Update wrappers
Fix comments
Merge pull request #1070 from andrerod/structure

Update wrappers