Mod to make throttle offset control height offset in height hold.
partially fixed mag; it now shows up in the CLI 'j' command

* hard-coded calibration values into mpu6000_I2C.c
* disabled the use of the mag in the MARG via main.c
  //magDataUpdate = true;
* added sensor CLI command for accepting min/max mag values
* need to properly save mag cal data into EEPROM
Merge branch 'AshimaCore-dev-h' into AshimaCore-dev
Initial co-ordinate system seperation.
least squares fiting for temperature calibration, and orientation independent.
Spelling and typos in frames document.
no longer hard-code mag cal data; update flag fixed, MARG doesn't use mag data
eeprom contents which work well for AC3 mounted upside-down
adding/porting det, trace, and stuff to matDumb.h
boltinging in static coord system, turning mag back on.
Eigen decomposition mag calibration code, test, and docs. (not wired in)
Getting Mag Cal working nicely!
Tidying up documentation and building it.
Rewording of documentation files.

Touched:

	modified:   boilerplate.sty
	modified:   magCal/main.tex
Tiny document wording bug.

	modified:   magCal/main.tex
flipping the board rightside up in the default build.
Merge branch 'AshimaCore-dev-cal' into AshimaCore-dev

Conflicts:
	src/drv/drv_system.c
	src/main.c
	src/sensors/mpu6000_I2C.c
fixing warnings and the like.
Merge branch 'AshimaCore-dev' into AshimaCore-dev-p