Dynamically change logo to dev/staging/demo based on port

Code is ready, assets should be placed in the following locations when created

dryad-repo/dspace/modules/xmlui/src/main/webapp/themes/Mirage/images/dryad-logo-demo.png
dryad-repo/dspace/modules/xmlui/src/main/webapp/themes/Mirage/images/dryad-logo-dev.png
dryad-repo/dspace/modules/xmlui/src/main/webapp/themes/Mirage/images/dryad-logo-mrc.png
dryad-repo/dspace/modules/xmlui/src/main/webapp/themes/Mirage/images/dryad-logo-staging.png
Added logos from mercedes
Added restyled logos and additional logos for demo/mrc
Include Data files in EditMetadataActionXMLUI action

Fixes Trello 69: (dan) when a curator has a claimed item, if they click
on the data package title , the data files do not display
Move call to file details template to top of choose block

This shows bitstream info on file details page when viewed by a curator