HDF5 input structure

[rpachaly]

Input
    Grid
        x (x coord of grid)
        y (y coord of grid)
        grid code (grid element number)
        elev (grid element elevation)
        manning (grid element manning's n value)
        neighbors (Grid element neighbors)
    Control
        cont (table of control variables)
        tol global (table of numerical stability variables)
    Boundary Conditions
        inflow 
        outflow
    Infiltration
        infil
    Rainfall
        rain
        raincell
        flo2draincell
        raincellraw
    Evaporation
        evapor
    Storm Drain
        swmmflo
        swmmflort
        swmmoutf
        sdclogging
        swmmflodropbox
    Channels
        chan
        chanbank
        xsec
        chan_interior_nodes
        mult
        simple_mult
    Sediment
        sed
    Levee
        levee
        breach
    Tailings
        tailings
        tailings_cv
        tailings_stack_depth
    Hydraulic Structures
        hystruct
        bridge_xsec
    Streets
        street
        gutter
    ARF/WRF
        arf
    Buildings
        building_collapse
´´´

Still need to find a group
- Submerge_factor
- FPXSEC
- FPFROUDE
- TOLSPATIAL
- WSURF
- WSTIME
- TIMEDEPCELL
- SHALLOWN_SPATIAL
- OUTRC
- LID_VOLUME