Meta-data information button and panel

[jalmar]

Similar to the missing subject column, the button and panel to view meta-data information about the selected scan has disappeared. Could we have it back, please? [NOTE: better give priority to the subject column in the data view. I think that is used more often than the meta-data panel]

[Flythe]

Could you please add a function to the xnat plugin with the functionality which was used in the following method:

neuroscience-gateway/nsg-portlet/src/main/java/nl/amc/biolab/nsg/display/service/UserDataService.java

Line 262 in 3cc0c16

public List<Property> getMetaData(DataElement dataElement) {