v0.2.4a
Synced develop with master to start new development

Merge branch 'release/v0.2.4a'
sync
sync
worked out cors cookie sessions for couchdb
wrote couchapi using vows
update
added couchdb authentication and smoothed out startup process
Merge branch 'master' of github.com:Michieljoris/roster into feature/authentication
added roles and avail to person
Merge branch 'feature/authentication' of github.com:Michieljoris/roster into feature/authentication
available persons implemented, saving user
available added to shift editor
Merge branch 'feature/authentication' into develop