Handle iPhone 4s and possibly iPad2/3 without checking hardware strings#5

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dj-technohead wants to merge 2 commits intoGoranHalvarsson:masterfrom dj-technohead:master

+96-54

Commits on Aug 5, 2012

Added check for handling retina display scaling and check for ipad/iphone resolution
dj-technohead
committed
Fixed bug where not scaling width by retina scale factor
dj-technohead
committed