Derivations: Fixed bug in 22 state derivation & added output files
Merge branch 'master' of github.com:priseborough/InertialNav

# By Lorenz Meier (5) and priseborough (1)
# Via Lorenz Meier (1) and others
* 'master' of github.com:priseborough/InertialNav:
  Derivations: Fixed bug in 22 state derivation
  Moved variable to input parsing (were it belongs), covered corner / reachability cases with state booleans
  Add sample ZIP file to run the C code
  Writing out raw GPS data
  Added support for RAW GPS data, added consistent line colors and legends
  Added script to load PX4 logs (converted with mavtomfile.py and saved as .mat file)