Changes to UI files to create and show versions correctly

We can now create, view and delete versions
Adding DELETE support in REST API
Making VersionPO object persistable
Updating JS to support GET, POST and DELETE

Support GET POST and DELETE for Versions
Update links table

Updated the table to show Create and Show links for each type, rather
than all links one below the other.
Remove blank space in query string text area

On Page load there is an empty space in the query string. removing that
space.
Google App Engine config files updated