update settings-tab styling && remove compiler option/action (that has been moved to the compile tab)
update settings-tab styling && remove compiler option/action (that has been moved to the compile tab)

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