Second level review for Bulk Data Metadata Migration

[AmyKort]

We're migrating the bulk data metadata into Wagtail. Designs are complete and content for these pages has been created and reviewed. ( great discussion at #1399 )

We've completed the first round of review for these pages:

All candidates file metadata
Candidate master file metadata
Candidate-committee linkages file metadata
Current campaigns for House and Senate file metadata
Committee master file metadata
PAC and party summary file metadata
Contributions by individuals file metadata
Contributions from committees to candidates file metadata
Any transaction from one committee to another file metadata
Operating expenditures file metadata

Great discussion at https://github.com/18F/fec-cms/issues/1399

Our next step will be to ask Press and Public Records to review.

• Provide pages to reviewers in a form that will allow them to read and comment
• Incorporate feedback

[PaulClark2]

Combined with https://github.com/18F/fec-cms/issues/1775