Rename the files krylov_solve.jl and test_solvers.jl

Author: amontoison

src/Krylov.jl

@@ -63,5 +63,5 @@ include("craigmr.jl")
 include("cg_lanczos_shift.jl")
 include("cgls_lanczos_shift.jl")
 
-include("krylov_solve.jl")
+include("interface.jl")
 end

src/krylov_solve.jl renamed to src/interface.jl

@@ -47,6 +47,6 @@ include("test_cr.jl")
 
 include("test_allocations.jl")
 include("test_mp.jl")
-include("test_solvers.jl")
+include("test_interface.jl")
 include("test_warm_start.jl")
 include("test_verbose.jl")