time stepping

[donnaaboise]

Originally reported by: Donna Calhoun (Bitbucket: donnaaboise, GitHub: donnaaboise)

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Fix outstyle=3 time stepping. The code should print an output file every time step.

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• Bitbucket: https://bitbucket.org/donnaaboise/forestclaw/issue/83

[donnaaboise]

Original comment by Donna Calhoun (Bitbucket: donnaaboise, GitHub: donnaaboise):

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I also need to fix frame output : See, for example, slotted disk :

#!bash
[p4est 0] Patches on level  2:        96
Matlab output Frame 0  at time   0.00000000e+00

[fclaw] Level 2 step     1 : dt =    2.000e-02; maxcfl (step) =    2.560; Final time =       0.0200
Matlab output Frame 1  at time   0.00000000e+00

[donnaaboise]

Added advanced options outstyle-uses-maxlevel to decide what outstyle=3 and nout should refer to.