OP-1157 bugfix for sin_lookup_deg()
OP-1161 Add alarm for magnetometer plausibility check
OP-1161 discard magnetometer in filters if plausibility alarm is set
OP-1161 moved mag validity check function from sensors to state estimation
OP-1161 changed the way magnetometer-errors are handled - and defaults

* ekf will ignore magnetometer errors for initialization
 (errors might be caused by not yet existing attitude estimation)
* defaults changed for filtering
* magnetometer sensor will be available for all filters, alarms need to
  be checked separately
OP-1172 Some fonts are not defined in config files

Fix all font names not defined in default Gcs config files
OP-1172  Remove unused configurations files
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-1245 Adjustments to qml dialog design to accomodate log settings and control.
OP-1245 GUI fixing.
OP-1033 moved f1 specific usb include files to stm32f10x/inc directory
OP-1033 removed useless self inclusion of f4 usb_conf.h
OP-1033 added more descriptive comment for usb end points (f1)
OP-1033 added TODOs to validate that f1 USB end points configuration is consistent
OP-1033 Added note where appropriate that changing USB buffer length will require changes to the USB buffer setup
OP-1246 fixed clumsy error handling of UAVTalkSendObject calls from RadioComBridge
OP-1246 fixed wrong logic for telemtryTxRetries and radioTxRetries : was wrongly accumulated
OP-1246 made updating of RadioComBridgeStats thread safe