Explicitly set hostname to null when not set in config.
Explicitly set hostname to null when not set in config.

zensh/ejs,zensh/ejs,rpaterson/ejs,TimothyGu/ejs-tj,kolonse/ejs,TimothyGu/ejs-tj,cnwhy/ejs,operatino/ejs,cnwhy/ejs,insidewarehouse/ejs,insidewarehouse/ejs,xanxiver/ejs,tyduptyler13/ejs,mde/ejs,mmis1000/ejs-promise,kolonse/ejs,jtsay362/solveforall-ejs2