openmicroscopy/openmicroscopy — pull request #1539 by jburel (2013-09-23 22:10:37+00:00)
Title: Dmrefresh (rebased onto develop)

This is the same as gh-1534 but rebased onto develop.

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This PR fixes the refresh issue see http://trac.openmicroscopy.org.uk/ome/ticket/10006

To test
* Tag a dataset with images.
* Tag a project containing a dataset with images.
* Go to the Tags tab
* Expand the tagged dataset
* Expand the tagged project and the dataset contained in the project
* Click refresh
* The error described above should not be present.
* The datasets should be expanded.

see @mtbc
Set-up screenshot
![dmrefresh-setup](https://f.cloud.github.com/assets/1022396/1180929/602427da-21ff-11e3-9ced-2cecd9fd7700.png)