timestep start
Start of the initialization. Still need to handle allocation and initialization.
Also need to add free commands.
Adding free commands
adding RK values
adding time step to master headers
dummy test for timestepper
preliminary test calls
removing subdomain function pointers which we likely won't need.
empty domain added to test
changing to bfam_long_real_t for lsrk
dummy subdomain
get and set, time and dt
adding a subdomain to test