updates to author list
Merge pull request #94 from Cadair/master

Add an acknowledgements section
Merge remote-tracking branch 'upstream/master'
Merge pull request #96 from ehsteve/master

More updates
small stuff and removed andy's fix for quotes
Merge pull request #97 from ehsteve/master

small stuff and removed andy's fix for quotes
Lots of minor edits
Merge pull request #98 from ayshih/ays

Lots of minor edits
fixes to abstract
removed merged vis section into intro para
updates to Map section
edits to remaining sections
Merge pull request #99 from ehsteve/master

My edits
Assorted minor fixes
Abstract tweaks
Merge pull request #100 from ayshih/ays

Assorted minor fixes
@Cadair's small changes