Merge branch 'beta' into beta_mavlink
Merge branch 'master' of github.com:PX4/Firmware into beta_mavlink
fw_att_control: airspeed is now used correctly
fw_att_control: delete the unused flag
fw_att_control: proper struct initialization
fw_att_control: whitespace only
Merged master into beta_mavlink
fw att control: add timestamp dependency in airspeed check
fw att ctrl: airspeed check: remove unnecessary cast
sensors app: add timestamp in airspeed message
add SYS_USE_IO param which allows using standard startup scripts for FMU only mode
Fixed MS4525 error flag handling
changed px4flow I2C address to default value
Merge pull request #760 from dominiho/master

changed px4flow I2C address to default value
Merge pull request #746 from thomasgubler/useioparam

add SYS_USE_IO param
Fixed block param template.
Moved UOrbPubliction/Subscription to uORB::Publication/Subscription
Moved List.hpp from controllib to src/include/containers.
Fixed uORB Pub/Sub templates for GCC 4.7
Fix for md25 and uORB update.