Renamed License.md to LICENSE.txt. License for navigation portion is now LGPL. PersistentThrust is still KSPI open source license.
Renamed License.md to LICENSE.txt. License for navigation portion is now LGPL. PersistentThrust is still KSPI open source license.

Kerbas-ad-astra/SolarSailNavigator,bld/SolarSailNavigator