Update all the things!

2.2.0

Update all things!

Added Invoicing feature

• Added Invoicing feature that integrates with Freshbooks for automated invoicing
• Added an Invoicing sender that runs periodically and sends invoices
• Bug Fixes

Billing Endpoints

Adds endpoints to facilitate the sending of email invoices / billing reports.

New API endpoints

/billingprojects - Retrieve billable projects and their responsible billing users
/prices - Retrieve prices for a specific time

0.6.0

Merge pull request #14 from CancerCollaboratory/feature/api_fixes

:shipit:

0.5.0

Remove fontawesome script