OAuth2 Filters (configuration and implementation
RetailCustomer -> Subscription in all controllers
Skeleton Bulk implementation
put consumes application/xml back in.
Merge pull request #103 from jateeter/master

OAuth2 + RetailCustomer->Subscription + Bulk Framework
The (residue) download my data controllers using the .../feed forms.
Fixed entry conditional to be sensative to invalid b/f trying to get an
authorization. (residue from previous change to pull the null token test
out of the body of first conditional)
Merge pull request #104 from jateeter/master

The (residue) download my data controllers using the .../feed forms.
add Dons fix to allow client credentials flow