Kill off a couple of files that should never have been checked in.
Don't try to print the idle stack usage (we need to fix it up before the code can be adapted to measure it).
Hotfix: discard NUL characters in readline, rather than faking EOF on the console.
Merge branch 'master' of github.com:PX4/Firmware into px4io-i2c-memory-squeeze
Merge branch 'px4io-i2c-memory-squeeze' of github.com:PX4/Firmware into px4io-i2c-memory-squeeze
Merge branch 'px4io-i2c-memory-squeeze' of github.com:PX4/Firmware into px4io-i2c-memory-squeeze
Merge branch 'px4io-i2c-memory-squeeze' of github.com:PX4/Firmware into px4io-i2c-memory-squeeze
Corrected assertion range
Removed bound checking assertions