Fix issue #1047 rotate 90 degrees on iOS Safari
Fix issue #1047 rotate 90 degrees on iOS Safari

The iOS version of webkit still requires the browser prefixes for
transform, see http://stackoverflow.com/a/27304061/4414220

MoonshineSG/OctoPrint,senttech/OctoPrint,chriskoz/OctoPrint,chriskoz/OctoPrint,bicephale/OctoPrint,senttech/OctoPrint,bicephale/OctoPrint,shohei/Octoprint,Salandora/OctoPrint,Jaesin/OctoPrint,shohei/Octoprint,Jaesin/OctoPrint,Salandora/OctoPrint,JackGavin13/octoprint-test-not-finished,senttech/OctoPrint,beeverycreative/BEEweb,MoonshineSG/OctoPrint,chriskoz/OctoPrint,foosel/OctoPrint,foosel/OctoPrint,foosel/OctoPrint,shohei/Octoprint,bicephale/OctoPrint,senttech/OctoPrint,Salandora/OctoPrint,Jaesin/OctoPrint,beeverycreative/BEEweb,Jaesin/OctoPrint,Salandora/OctoPrint,MoonshineSG/OctoPrint,JackGavin13/octoprint-test-not-finished,bicephale/OctoPrint,chriskoz/OctoPrint,shohei/Octoprint,shohei/Octoprint,beeverycreative/BEEweb,JackGavin13/octoprint-test-not-finished,MoonshineSG/OctoPrint,JackGavin13/octoprint-test-not-finished,beeverycreative/BEEweb,foosel/OctoPrint