Revert "if we dont get a response code, send a 504 instead of a 200 for the case of server down"

Found some cases where PhantomJS doesn't call onResourceReceived with the status code for the original URL.

Going to investigate more before changing this.

This reverts commit d31e138ca72322e06b7e3c62f2614ffc84c48e57.
bumped version to 3.3.17
bumped version to 3.4.0 and updated all dependencies to newer versions
fixing bug with checking for original request if it wasnt encoded
bumped version to 3.4.1
fixing problem with quote escaping
making sure onStdout and onStderr are passed through
bumped to 3.4.2
added timestamp to logs and allow disabling of logs
bump to 3.5.2
ability to disable injection of scripts
bumped to 3.5.3
rolling back dependencies to check on performance. bump to 3.6.3
trying to prevent infinite loop
bump to 3.6.4
more loop prevention enhancements
bump to 3.6.5
customizable time for no js execution timeout
bumped to 3.6.6
moving kill phantomjs into its own method