add yaw_manual override variable, effective only in ALTCTL and do not publish it in attitude rates
fw att: fix comment style
NuttxConfig: increase I2C timeout to 10ms
i2c: const get_address
batt_smbus: driver for smart battery
batt_smbus: remove sleep before I2C transfer
batt_smbus: remove redundant ORB_DECLARE
batt_smbus: minor format fix
batt_smbus: add get_PEC
batt_smbus: add search
Clean up docs in PX4FLOW driver
Fix parameter name for initial setup parameter config
RTL params: Set safer initial value for RTL altitude for all vehicles, improve dparam documentation
Merge branch 'master' into bennodiscovery