removing some debug outputs.
changed --untimed to --no-duration for more clarity.
documented new features and added new screenshot for mplotqueries.
skeleton for mplotqueries tutorial.
renamed to .md
Update mplotqueries.md

first paragraph of tutorial.
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Added first screenshot and some more text.
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Written navigating main window text. Touched on groups.
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continued "Navigating"
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added 3rd image and wrote about in-/exclusion
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added command line screenshot.
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added x-axis picking, and concluding part I of tutorial.
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Update mplotqueries.md
Merge branch 'master' into log2code
added mlogversion and mlogdistinct.

Both tools are currently in BETA. Made some changes to underlaying log2code module.
Checked in logdb.pickle.