Fixes issue #547 'As developer, all icon sizes should be standardized'. This commit solves icons for retina and cleans up some css and images. The solution only sprites the icons that is actually data-icons
Fixes issue #547 'As developer, all icon sizes should be standardized'. Added some files
merge commit
Merge remote-tracking branch 'origin/master'
Only set firstPlay when actually playing
Put setting of firstPlay into progress handler
Simplify, simplify, simplify
Merge pull request #616 from saebekassebil/2.1.x

Only set firstPlay when actually playing
Merge remote-tracking branch 'tbx/master' into stable
Merge remote-tracking branch 'notalib/2.1.x' into 2.1.x
fixed part of google issue #482 part 5