Added cites for two papers that mention enviornment sustaiability
Added Contact details for James Howison.
Added non-breaking spaces in author names to avoid line breaks between first and last names.
Tidied up references, removed cite to whole CSCW proceedings, since that's not all going to be relevant.  Removed doubled cite to one of my papers.
Merge remote-tracking branch 'origin/author_changes'

Conflicts:
	WSSSPE1_report/WSSSPE1_summary_report.tex
Quick fix to a citation.