OP-1235 gives better names to state variables

Conflicts:
	flight/modules/StateEstimation/filteraltitude.c
OP-1235 allow for live update of altitude estimation settings
OP-1235 allows AccelBiasValue to quickly reach the target value at initialization
OP-1235 cleanup "magic numbers"
OP-1235 make Initialization Acceldrift KI configurable
OP-1196 Populate attitude tab at connection for CC
OP-1301 allow GPS protocol selection only if GPS module is enabled.
This allow to be able to save HW settings with GPS module disabled.
Merge remote-tracking branch 'origin/amorale/OP-1235_fix_altitude_estimation' into next
Merge remote-tracking branch 'origin/amorale/OP-1196_attitude_tab_not_populated_for_cc' into next