Extended materials library.

Material library now shows materials resident in all material storehouses.

Example:

    Score manager - material library

        1: example articulation handler (Abjad)
        2: example dynamic handler (Abjad)
        3: example markup inventory (Abjad)
        4: example notes (Abjad)
        5: example numbers (Abjad)
        6: example pitch range inventory (Abjad)
        7: example sargasso measures (Abjad)
        8: baca numbers (Bača)
        9: magic numbers (Red Example Score)
        10: pitch range inventory (Red Example Score)
        11: tempo inventory (Red Example Score)
        12: aggregates (Betörung)
        13: indigo pitch classes (Betörung)
        14: range inventory (Betörung)
        15: reiterated forte (Betörung)
        16: speckled rhythm maker (Betörung)
        17: tempo inventory (Betörung)
        18: time signature pairs (Betörung)
        19: violet pitch classes (Betörung)
        20: cobalt divisions (Gebiete)
        21: end incised double valued note maker (Gebiete)
        22: end incised note maker (Gebiete)
        23: fused cobalt time signatures (Gebiete)
        24: fused yellow time signatures (Gebiete)
        25: pitch classes (Gebiete)
        26: split cobalt time signatures (Gebiete)
        27: split yellow time signatures (Gebiete)
        28: tempo inventory (Gebiete)
        29: time signature pairs (Gebiete)
        30: tratti del arco (Gebiete)
        31: yellow divisions (Gebiete)
        32: aggregates (Las manos mágicas)
        33: black pcs (Las manos mágicas)
        34: turquoise pcs (Las manos mágicas)
        35: pitch classes (Traiettorie inargentate)
        36: tempo inventory (Traiettorie inargentate)
        37: tuplet cell treatments (Traiettorie inargentate)
        38: white flautando spanner (Traiettorie inargentate)

        material - new by hand (nmh)
        material - new with manager (nmm)

    > q