Update icons to the 20190911 Icon Pack#16

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mcj-codificer wants to merge 9 commits intoplantuml-stdlib:masterfrom

codifice:master

Commits on Jul 14, 2020

Updated script references
Martin Jarvis
committed

Commits on Jul 15, 2020

Updated to 2019-09-11 icons
Martin Jarvis
committed

Commits on Jul 16, 2020

Merge pull request #1 from codifice/20090911_imageupdate
mcj-codificer
authored

Commits on Jul 30, 2020

Added WVD Resources Icons
Martin Jarvis
committed
Merge pull request #2 from codifice/wvd_iconupdate
mcj-codificer
authored

Commits on Aug 5, 2020

Added pipe icon
Martin Jarvis
committed
Merge pull request #3 from codifice/wvd_iconupdate
mcj-codificer
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Rename Pipe to AzurePipeline
Martin Jarvis
committed
Merge pull request #4 from codifice/wvd_iconupdate
mcj-codificer
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