Update badge style for consistency

[ci skip]
add toshi link to docs
Merge pull request #83 from rrrene/patch-2

Update badge style for consistency
Fix concurrency issue; fix 0conf balance
Merge pull request #79 from aalness/andy_fix_concurrency

Fix concurrency issue; fix 0conf balance
Added Dogecoin main and testnet genesis block configurations.
Merge pull request #84 from rnicoll/master-dogecoin-genesis

Add Dogecoin genesis block configurations
Update README.md
Merge pull request #87 from leishman/master

Update README.md
Switch bitcoin-ruby back to lian now that it has the Litecoin fixes merged in.
Fix bin/hex response for 0conf txs: fixes #89
Merge pull request #90 from aalness/andy_fix_0conf

Fix bin/hex response for 0conf txs
Log conflicts on connect block
Merge pull request #91 from aalness/master

Log conflicts on connect block