Feature/paging

[ohnoitsaustin]

wow this ended up being um a lot of stuff

related to paging:

• add previous and next links to pager
• add support for paging via URL query string
• add support for forward/back history navigation

unrelated to paging:

• disable app insights in local environments
• add support for anonymous login to local environments
• add empty state for bills
• add author and sponsorship relationships to bills
• update model factories and seeders to generate better test data
• refactor how the welcome message is displayed when nothing is tracked
• add support for storing a user's legislator
• add a UI for selecting your legislator from a list
• add support for localStorage to store bill data

[ohnoitsaustin]

yup looks good to me, might hit a snag deploying migrations