hack method to initialize database

Because 'vmc console' is too slow for us to run 'rake db:seed', so add
a route path so we can initialize database via http.

Signed-off-by: Henry Chen <hchen@vmware.com>
Merge branch 'master' of https://github.com/vmw-tmpst/heroapp-LetsHire
Merge pull request #116 from Henry-CF/hack

hack method to initialize database
[PT 48631695] file storage implementation

   1. file storage functionality
   2. test code