Add a storage.removeUserSimplePushURLs function
Add a storage.deleteUserCallUrls function
s/removeUserSimplePushURLs/deleteUserSimplePushURLs
Add a storage.deleteUserCalls function
Add a storage.deleteHawkUserId function
Add a storage.deleteHawkSession function
Ensure no error is thrown when no calls
Add the DELETE /account endpoint
Merge branch 'master' into bug1024490/delete-account

Conflicts:
	loop/index.js
	test/functional_test.js
Merge pull request #148 from mozilla-services/bug1024490/delete-account

Bug1024490/delete account