Added refereed status, Blue in Sherpa: Author's Pre-print: archiving status unclear
Author's Post-print: 	author can archive post-print (ie final draft post-refereeing)
Publisher's Version/PDF: author cannot archive publisher's version/PDF
General Conditions: 	

    In an institutional repository (affiliated with author)
    Publisher's version/PDF cannot be used. - 
Full-text added, 21.3.16--MMM