change as the suggest by abollini
Merge branch 'DS-1188-2' of https://github.com/zuki/DSpace into DS-1188

Conflicts:
	dspace-jspui/src/main/webapp/collection-home.jsp
Minor improvements

- make configurable also sorting option and direction (default dateaccessioned
DESC)
- renamed show.title request attribute in the more understandable show.items.
Changed accordly also the JSP variables
- (hope) correct a mispelling in i18n label