Patching a couple more issues in r42
Hotfix for issue in r42
Preview now runs on preview.construct.net
Built-in dark theme, Xbox Live updates, bug fixes
'Pick last created', safe mode, memory optimisation & more bug fixes
Re-land the architectural change originally made for r38
Themes support, usability improvements, architectural changes
Back button support on mobile, popup remote preview, more bug fixes
Access codes, split Cordova exporter, and more.