Changes some double insinuations of ERR! Warning, INFO Note:
Removes Tessel output from "tessel update" command.
Corrects order of Tessel output.
Utilizes full pipes in script.js to preserve log order.
Moves pipe log extraction to commands.js
Removes the insane amount of spacing after serial number.
Centralizes all commands into commands.js
Removes "command" in favor of "rawMessage" interpretation.
Converts commands to 16-bit tags. Converts wifi-erase-profiles.
Use specific rawMessage override in tessel-run
Fixes Tessel REPL to work on Windows.
Changes writeMessage to writeProcessMessage
Changes pack default to current dir.
Merge pull request #67 from tessel/tcr-command

Remove old-style "command", replace fully with postMessage.