disable data for dev reg
add user-agent for all github requests
preserve firstSync time for facebook friends
save firstData when there are no more albums left to sync

it wasn't working before because passing since when checking for
albums doesn't seem to do anything and that's what we were relying on
allow range of force priorities
Merge branch 'master' of github.com:Singly/hallway
prioritize photos at level 3
fix facebook test
make new auths happen over re-auths
Merge branch 'master' of github.com:Singly/hallway
Merge branch 'master' of github.com:Singly/hallway into blow-chunks