Code review comment for lp://staging/~gary/juju-gui/support-no-cookies

Reviewers: mp+177002_code.launchpad.net,

Message:
Please take a look.

Description:
Fix FF problem when cookies are disabled

When cookies are disabled in FF, sessionStorage is disabled. When
sessionStorage is disabled, it just crashes with a security exception.
This works around the issue.

https://code.launchpad.net/~gary/juju-gui/support-no-cookies/+merge/177002

(do not edit description out of merge proposal)

Please review this at https://codereview.appspot.com/11849043/

Affected files:
   A [revision details]
   M app/store/env/base.js
   M test/test_env.js