keep EstN from diverging to zero
Merge pull request #80 from luggi/EstNfix

keep EstN from diverging to zero
type bool and inflight acc calib
Update sensors.c
format
Update imu.c

speed up troll angle
Merge pull request #81 from treymarc/type_bool

type bool and inflight acc calib
Merge pull request #83 from treymarc/format2

format
Merge pull request #84 from treymarc/patch-1

Update imu.c
Merge remote-tracking branch 'multiwii/master' into
project-structure-alternative

Conflicts:
	src/sensors.c
Fix typo in filename.