Add method for getting a single manifestation from a pid
refactor for multiple choice facets
move facetbrowser code to own file
Correct signatur for errorHandler method.
Objects should be initialized before use in PHP 5.4+.
Merge branch 'feature/1456-kopibestil' into develop
Merge branch 'develop' into feature/152_facetbrowser_multiple_choice
Merge branch 'feature/152_facetbrowser_multiple_choice' into develop
Merge branch 'develop' into feature/1473-acquisitionInformationTerms