WebStyle: more readable admin table display
WebStyle: more readable admin table display

* When displaying possibly long tables with many columns in WebAccess and
  WebSubmit administration interfaces, alternate the background color of
  rows in order to ease reading of the displayed information.  Also
  highlight the row when the cursor moves over it.

inveniosoftware/invenio-access,tiborsimko/invenio-access,inveniosoftware/invenio-access,tiborsimko/invenio-access