added admin-heads controller spec
added admin-houses controller spec, update admin-(apartments, galleries, heads) controller spec
added admin-location controller spec, update spec_helper(added /admin/ to simplecov)
updated admin-houses controller spec
update admin apartments controller spec
update admin-heads controller spec
updated admin-(galleries, roles) controller spec
added admin-(partners, users, dashboard) controlle spec, update admin-partners.rb and admin-users.rb