You can clone with
Need an extension that will enable an application to keep the backlight on when needed. Investigation will need to be done to see if this is possible in an extension or if it requires changes in the Web Platform itself.
Figured it out. Will be up here soon.
Merge pull request #134 from timwindsor/master
Prevent Sleep Extension for BB10 - issue #125
Available now: https://github.com/blackberry/WebWorks-Community-APIs/tree/master/BB10/PreventSleep
Yep, the deadline was extended to the 28th of February: https://developer.blackberry.com/devzone/blackberry10devalpha/devalpha_limitededition_process.html