Create activity model and migration
Create policy for activity
Create activities controller and view to create and update it
List activities on project  page
Merge pull request #618 from neighborly/jl-activities

Create activities section
Create statement tab on project page
Merge pull request #621 from neighborly/jl-show-statement

Create statement tab on project page
Disable profile completeness notifications
Remove links to start a new campaign on header and footer
Merge pull request #626 from neighborly/jl-remove-start-project-link

Remove links to start a new campaign on header and footer
Merge pull request #625 from neighborly/jl-disable-profile-completeness-message

Disable profile completeness notifications
Change rewards table to use it for maturities
Update rewards form to reflect new attributes
Update dev seeds to reflect new reward fields
Require happens_at in Rewards/Maturities
Suite not reporting errors after removing mentions of old reward attributes
Remove duplication of contributions available to count
Remove reference of removed methods from reward decorator
Remove reward attrs permitted to be updated just before having contributions
Not count reward as taken for refunded contributions