change the mock extension to lookup the icons for identify
Merge pull request #171 from ozone-development/bug/170/identify-fails-to-get-icons

bug/170/identify-fails-to-get-icons
Merge branch 'develop' of github.com:ozone-development/meridian into enhancement/47/legend

* 'develop' of github.com:ozone-development/meridian:
  change the mock extension to lookup the icons for identify