Add phantomjs 2.1.1 stable

[tim-devel]

[omtinez]

Thanks for posting this!

[tim-devel]

Great, dont forget to merge

[buley]

I couldn't get this running fwiw

/usr/bin/phantomjs: error while loading shared libraries: libicui18n.so.59: cannot open shared object fi

[piksel]

@buley Maybe you need binaries compiled for Jessie, you can use my main branch: https://github.com/piksel/phantomjs-raspberrypi