Adds saveoutput in TwoDTurb McWilliams1984 example

[navidcy]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 213

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 96.673%

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Totals
Change from base Build 209:	0.0%
Covered Lines:	494
Relevant Lines:	511

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💛 - Coveralls

[codecov]

Codecov Report

Merging #24 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #24   +/-   ##
=======================================
  Coverage   96.67%   96.67%           
=======================================
  Files           6        6           
  Lines         511      511           
=======================================
  Hits          494      494           
  Misses         17       17

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[navidcy]

This PR depends on FourierFlows/FourierFlows.jl#115