Recreate atomic swap transactions on Testnet3#113

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imestin wants to merge 3 commits intodecred:masterfrom imestin:testnet3

+62-61

Commits on Jul 11, 2019

In README, links to Bitcoin testnet explorer were updated
imestin
committed

Commits on Jul 18, 2019

Change the testnet transaction details to testnet3 transactions
imestin
committed

Commits on Oct 21, 2019

Fix Decred raw transaction links
imestin
committed