WIP: access service now responds to authorize

- authorize! to create or retrieve previous access creds
- set correct origin info for credential
- create measurement_origin for scale_measurement records

TODO: backfill specs :(
WIP commit
Moving data into a module and successfully merging data
Get data; need to test more feature from api
Before switching back to high limit
Going back to the batch retrieval
Bulk retrieval and updating code
Don't try to reauthorize if we already have access
Updating spec
Updating specs... again
Adding admin rake tasks
Merge pull request #75 from ijustwanttocode/jr/add_admin_rake_tasks

Adding admin rake tasks
Add the ability to link and delete accounts

- Import expects an authorization to already exist
Dashboard guides user to import section

- Cleanup the navigation links
Merge pull request #74 from ijustwanttocode/jr/withings_service_updates

Phase 1: Withings service updates
Merge branch 'development' into jr/withings_sync_update
Merge pull request #76 from ijustwanttocode/jr/withings_sync_update

Phase 2: Withings sync update
Merge development