Corrected function name in test suite
Removed unused wrapper classes for ARC2 parsers
ARC2Admin page renamed to RDFIO admin
Page title issue fixed
Admin page restricted for non-admin users
Added placeholder content for other sections
Added check for successful setup of ARC2 store
Database access variables tidied up in SPARQL Endpoint
Superfluous variable references removed from ARC2 config
Display data sources in admin page
Added Category, URI & Template table to admin page
Creates data source page object, but doesn't yet import it
Revert "Initial add data source function - not yet working"

This reverts commit 8929b75758277cce4d5b1f28d5d00415aaed3274.

Conflicts:

	specials/SpecialSPARQLImport_body.php

Reset to previous commit & reworked
Creates wiki pages for SPARQL URLs
Moved addDataSource to RDFImporter class, this is used from SPARQL & RDF Import pages
Refactor Success/Error & user permissions functions into RDFIO Utils
Replace functions in RDF Import with RDFIO Utils ones, fix page alias config
Code to display imported triples in SPARQL Import extracted to function in RDF Importer
Add display success function to RDF Import page
Fixed issues with variable scope, static functions & output HTML