v3.5.0

Improvements

• Add Raven/Sentry logger
• Add 'archive' status for posts (#1295)
• Allow filtering posts by multiple statuses
• Better errors when for missing multisite deployments
• Always include CORS headers on exceptions
• Added stage 'type' to differentiate post and task stages (#1283)
• Added required_approval option to forms (#1282)
• Added everyone_can_create and roles with which can_create to forms (#1282)
• Always validate fields on 'post' stage type (#1284)

Bug fixes

• Fix issues pulling from email
• Fix issues pulling from FrontlineSMS (#1305)
• Fix SQL error when PUT request makes no changes (ushahidi/platform@ed3979)