some change in ore writer multiple readers
fixed merge conflicts
added one writer multiple reader feature

Merge branch 'master' of github.com:Ingener74/HeartRateMonitor into bugFix_OneWriterMultipleReaders

Conflicts:
	modules/libheartbeatrate/src/NV21FrameSource.cpp
Merge pull request #29 from Ingener74/bugFix_OneWriterMultipleReaders

Bug fix one writer multiple readers