Fixed assign member.
Debug pivotal-harvest integration
Fixed finish task in pivotal integrate to harvest
Merge branch 'release/0.6.0'
add email to user
Add spec to models and fix person model.
Update project spec, allow for mass assignment.
Fix linking existing project.
Merge pull request #11 from prildy/development

Development
Merge branch 'release/0.6.1'
Merge branch 'master' of https://github.com/icehousecorp/hipster
Task story create, cosmetic changes.
Merge branch 'release/0.6.2'
Fix bug with assigning person to existing project