support running browser tests in osx

Add function to send compilation data to Remix debugger

extract UI code from txRunner

Listen on last block

Extract swarm hash from bzz url

Fix pathName check (for remix-live-alpha instance)

Restyle transactionActions and unify icons with other icons

Fix publish to alpha

Fix tryTillResponse test

Update best practices

use normalize path to retrieve content

Small documentation fix

Rebrand to Remix IDE

Finish renaming browser-solidity -> remix-ide