Made override versions of Update and PropagateTo with modifications for |snp|~1 and reverted modifications to Update in Alice code. Added protection for Rotation in ReconstructFull. Restricted chi2Cut to points far from the snp edges.

[Trenchcoat95]

New results of reconstruction:

fastParticle::reconstructParticleFull: 2484 fastParticle::reconstructParticleFull: short track 2287 fastParticle::reconstructParticleFull: Too few consecutive points 62 fastParticle::reconstructParticleFull: Rotation failed 4 fastParticle::reconstructParticleFull: Propagation failed 0 fastParticle::reconstructParticleFull: Update failed 0 fastParticle::reconstructParticleFull: Too big chi2 86 fastParticle::reconstructParticleFull: Correct for material failed 7 fastParticle::reconstructParticleFull: PropagateToMirrorX failed 38 fastParticle::reconstructParticle: 2630 fastParticle::reconstructParticle: short track 2623 fastParticle::reconstructParticle: Too few consecutive points 0 fastParticle::reconstructParticle: Rotation failed 1 fastParticle::reconstructParticle: Propagation failed 0 fastParticle::reconstructParticle: Update failed 0 fastParticle::reconstructParticle: Too big chi2 6 fastParticle::reconstructParticle: Correct for material failed 0 fastParticle::reconstructParticle: PropagateToMirrorX failed 0