correction tries
For debugging, create a separate development file simple.cxx
phase stats generalized
Another implementation attempt
Restart with new empty file
added docu for setup
bugfix for launch and simple
changed gitignore
work on alpha to add velocity and thrust
added mass state with linkage and state constraints
made mass in derivative of v variable
added function declarations and global constants
added path constraint for distance
added path constraint for thrust
removed some sqrt's, added initial guess
added mass derivative constraint and initial guess
make atmospheric height a #define