Support creating a new organization

Includes the code and test for creating a new organization
Merge branch 'master' of ssh://github.com/cloudfoundry-incubator/admin-ui into support_create_org
Merge operation for create organization with existing master server-side logic
Merge pull request #72 from cloudfoundry-incubator/support_create_org

Support creating a new organization
added sqlite in addtion to file as persistence mechanism for stats data
removed stats_semaphore from stats
added sample schema migration files