Updated version to reflect a bunch of changes

Merge pull request Irrelon#419 from stardotstar/upstream

Ensure that after mounting styles are applied & support backgroundSize 'auto'

Merge pull request Irrelon#418 from coolbloke1324/ChrisEt

Small fixes in UI code

Version bump

Version bump

Updated readme with new links

Version bump

Updated blank_game to be a real blank game with no entities

New multiplayer skeleton project

Update of example 13.5 to allow mouse zooming to test fix with textur…

…emap sectioning system