Merge pull request #1 from DenisKogutich/master

bluetooth
usb and wi-fi - temporarily inactive
Merge branch 'master' of https://github.com/Mihail-M/qreal
Merge pull request #2 from DenisKogutich/master

Added some blocks.
add some device info
whitespace: some space to tabs
Merge pull request #3 from DenisKogutich/master

Added blocks for PlayTone & Beep.
Motors works.