add missing $ in rcS script
Merge pull request #743 from PX4/rcS_hotfix

add missing $ in rcS script
Merge branch 'master' of github.com:PX4/Firmware into beta_mavlink2
Removed stupid sensor counter, replaced it with much more useful timestamps
mavlink: Only send messages when we have updates for them.
Merge branch 'beta_mavlink2' of github.com:PX4/Firmware into mavlink2_hil