Merge pull request #66 from ciudadanointeligente/dev

Fixes #65 by changing the method for creating keys to a uuid
Merge pull request #68 from ciudadanointeligente/dev

Adding a test for including the name of the author in the email
Fixes #65 finally
Removing apiinstance from writeitinstance there are quite a few tests that are currently broken
A writeit instance now has people related instead of an apiinstance. This is related to the issue #7
Adding membership in the admin interface