[ALLI-2366] Added tabbed browsing for Solr, PCI (also dualResults) & MetaLib results.
Merge branch 'master' of https://github.com/KDK-Alli/NDL-VuFind

Conflicts:
	web/interface/themes/ndl/MetaLib/list-none.tpl
	web/services/MetaLib/Search.php
[ALLI-2366] Missing changes for MetaLib added.