inline, move
prepare to avoid copy of matrix
cleanup constructors
clean Propagator interface
fix propagator overloading
fix constructor w/o weight
no regression
fix constructors to avoid conversion from double ot side
clean Propagator interface
new allocator and proxy using c+11
test new proxy
use shared_ptr
reduce memory churn, inline smatrix
inline alos is RungeKutta
do not churn in clone
remove ambiguity
add a useless dependency
remove Geant4e
Merge pull request #3534 from VinInn/Propagate

Tracking speedup -- Clean Propagator and TrajectoryState interface, avoid memory churn