Add ZTE Open - Firefox OS
Merge pull request #57 from Mouseion/zte-firefox

Add ZTE Open - Firefox OS
Update screens.json

Added `Motorola Moto G`.
Merge pull request #58 from iamsebastian/patch-3

Add Motorola Moto G.
Update screens.json

Add AOC i2352Vh, Motorola Moto X
Update Apple iPad, Microsoft Surface models
Merge pull request #59 from HeinrichReimer/patch-1

Update screens.json