Fixed bug in which coming from ww2 to ww3 wasn't working.
Merge pull request #358 from pstaabp/ww3-feature/redirect

OK, then I'll merge this.  

Fixed bug in which coming from ww2 to ww3 wasn't working.
Merge branch 'ww3' of https://github.com/openwebwork/webwork2 into ww3-feature/app-state