LALAdaptiveRungeKuttaIntegrator.c: Making the initialization of ytemp[1] in...

LALAdaptiveRungeKuttaIntegrator.c: Making the initialization of ytemp[1] in the OnlyFinal evolution more general and improving the documentation
40 jobs for only_final_output_spin_taylor in 117 minutes and 34 seconds (queued for 9 seconds)