Allow users to add bounties to new projects
Allow users to add bounties to new projects

Previously, a user would have to create the project before adding any
bounties to it because the project url was not defined; now, bounty
lookup works during project creation, so users can add projects from the
get-go.

lachlanjc/meta,assemblymade/meta,lachlanjc/meta,assemblymade/meta,lachlanjc/meta,assemblymade/meta,lachlanjc/meta,assemblymade/meta