Rebased. This gives the same tolerances in ode23 and oderkf.

src/ODE.jl

@@ -231,7 +231,7 @@ function oderkf{T}(F::Function, tspan::AbstractVector, x0::AbstractVector{T}, p:
             # Compute the slopes by computing the k[:,j+1]'th column based on the previous k[:,1:j] columns
             # notes: k needs to end up as an Nxs, a is 7x6, which is s by (s-1),
             #        s is the number of intermediate RK stages on [t (t+h)] (Dormand-Prince has s=7 stages)
-            if c[end] == 1 
+            if c[end] == 1
                 # Assign the last stage for x(k) as the first stage for computing x[k+1].
                 # This is part of the Dormand-Prince pair caveat.
                 # k[:,7] has already been computed, so use it instead of recomputing it