Codebase cleanups - renaming files.
Codebase cleanups - renaming files.

ruchevits/solidity,arkpar/solidity,LianaHus/solidity,debris/solidity,ruchevits/solidity,vaporry/solidity,ruchevits/solidity,shahankhatch/solidity,ruchevits/solidity,ethers/solidity,douglas-larocca/solidity,chriseth/solidity,chriseth/solidity-doc-test,gluk256/solidity