Bump minor version

Merge pull request loomio#2597 from loomio/token-api

Remove API::BaseController, use API token for authentication

Bump minor version

Merge pull request loomio#2531 from loomio/add-header-logo

Add logo to navbar for large / medium devices

bump version

Update crowdfunding_celebration.html.haml

try to make tempremental test more reliable

Bump minor version for sprint 8

Merge pull request loomio#2290 from loomio/joining-and-leaving-groups

Add functionality for joining groups