Start of python script for automating builds
Work in progress on python build
can now configure builds and their dependencies (no compiling yet)
Packages now compile
Updating license

All new python code written by me. Nothing preserved from old preflight bash script.
Delete build_for_ios.sh
Delete build_spatialite4.0.sh
Update README.md
Update README.md
Added arm64 architecture
Merge branch 'pythonize' of github.com:afarnham/preflight into pythonize
Added sqlite and spatialite flightplans. Spatialite needs work to add a patch for compiling for iOS.
Successfully building spatialite