EMBPD00121581: don't receive screen events when app is inactive
Merge pull request #244 from rhomobile/EMBPD00121581

EMBPD00121581: don't receive screen events when app is inactive
platform/shared/common/RhodesApp.cpp: fix to make Mac RhoSim to stop on breakpoints.
wm: prepare for removing rubyvm from js application to reduce cab-file size
don't unregister on screenOff
Merge pull request #245 from rhomobile/EMBPD00121581

don't unregister on screenOff
Merge branch 'master' of https://github.com/rhomobile/rhodes into neworm_dev