CYB-388 rename 'DataCultures Gallery' to 'Gallery'

 * change the parameters in the XML file

https://jira.ets.berkeley.edu/jira/browse/CYB-388
Merge pull request #238 from coyote/1.0.1/CYB-388-rename_datacultures_gallery_to_gallery

CYB-388 rename 'DataCultures Gallery' to 'Gallery'