just add the modal to body if not already present
just add the modal to body if not already present

Yann-Liang/browser-solidity,serapath-contribution/browser-solidity,soad003/browser-solidity,Yann-Liang/browser-solidity,soad003/browser-solidity,serapath-contribution/browser-solidity,Yann-Liang/browser-solidity,soad003/browser-solidity,serapath-contribution/browser-solidity