coingecko: update profile#3

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xaur wants to merge 7 commits intomasterfrom

Commits on Oct 25, 2019

Commits on Oct 26, 2019

Fix dcrdata link
xaur
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Commits on Oct 28, 2019

Add description
xaur
committed

Commits on Oct 30, 2019

Update description
xaur
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Commits on Nov 4, 2019

Use latest messaging
xaur
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