Merge pull request #5 from robintaylor/master

LIB001-464 Some changes required to accomodate the Exam Papers
Merge pull request #6 from robintaylor/LIB001-487

LIB001-487 All for there to be no date filters
Merge pull request #7 from robintaylor/master

LIB001-519 Add autocomplete to the Search box for the Exam Papers
Merge pull request #8 from robintaylor/master

LIB001-519 Add autocomplete to the Search box for the Exam Papers
Merge pull request #9 from robintaylor/master

Add some comments to the Exams Solr client