elofgren: Fix wording on alert() shown when Delete button is clicked in NewsletterAdmin?.js left to refer to 'Newsletter item' instead of 'Page'  (merged from branches/gsoc)
elofgren: Fix wording on alert() shown when Delete button is clicked in NewsletterAdmin?.js left to refer to 'Newsletter item' instead of 'Page' 
(merged from branches/gsoc)


git-svn-id: 61ad833bee3a753d148e0d349fad2a795836b318@42041 467b73ca-7a2a-4603-9d3b-597d59a354a9

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