git grep -l 'This file is part of Polkadot' | xargs sed -i 's/This file is part of Polkadot/This file is part of Substrate/g'
git grep -l 'Polkadot is free software' | xargs sed -i 's/Polkadot is free software/Substrate is free software/g'
git grep -l 'Polkadot is distributed in the hope' | xargs sed -i 's/Polkadot is distributed in the hope/Substrate is distributed in the hope/g'
git grep -l 'along with Polkadot' | xargs sed -i 's/along with Polkadot/along with Substrate/g'
* Moved chain ops to substrate-service
* moved RPC to susbstrate-service WIP
* Moved RPC to substrate-service
* Version
* Removed redundadnt messages
* substrate CLI
* Removed obsolete files
* Sorted out startup messages
* Pass executable name to CLI