Explicitation of the swf file which seem like pdf file (merged from 2.1.0 branch, r42424)
Explicitation of the swf file which seem like pdf file (merged from 2.1.0 branch, r42424)

git-svn-id: 61ad833bee3a753d148e0d349fad2a795836b318@42936 467b73ca-7a2a-4603-9d3b-597d59a354a9

dhensby/silverstripe-reports,silverstripe/silverstripe-siteconfig,silverstripe-labs/silverstripe-reports,silverstripe/silverstripe-cms,jonom/silverstripe-cms,dhensby/silverstripe-cms,helpfulrobot/i-lateral-silverstripe-siteconfig,dhensby/silverstripe-reports,jonom/silverstripe-cms,dhensby/silverstripe-cms,silverstripe-labs/silverstripe-reports,silverstripe/silverstripe-cms,dhensby/silverstripe-cms