Retina/non Retina detection & several displays

[Mayae]

Hi fabian, please consider this in the process:

Suggestion: Renderers need to know where they're drawing

As we discussed in this topic: http://www.juce.com/forum/topic/text-rendering-suggestion-need-jules-eyes Subpixel rendering needs to know the pixel orientation of the monitor it is rendering to. I've got all other code set up for this, so that i know what monitors is what configuration etc., only thing is: LowLevelSoftwareRenderers don't know where they are drawing, beyond an offset to an arbitrary image. This means it cannot identify what pixel setting it should use, account for screen rotatio…