Change return values in "linear_ode_generation.R"

Change order in return values.
Add item "time_point".
Add output in "data.linear_ode.R"

Add output "config.data",
  which stores information of
  "dimension",length of "time_point","time_point".
Add package loading in "test.R"

Load package "deSolve",
  which is required after removing automatic loading of "rnetweaver".