Selenium 3.4.0 Chromium

Leaving the original commit made in #182 that fixed #87, this time to fix #465 :: Diego Molina

Running the tests agains the generated images in the Travis build, not the latest release. :: Diego Molina

Removing dbus package. :: Diego Molina

Merge pull request #469 from diemol/master :: GitHub

Updated gecko driver to latest version 0.16.1. :: testphreak

Merge branch 'update-geckodriver-0.16.1' :: testphreak

generic namespacing (allow others to easily customize image names) :: Daniel Davison

Merge remote-tracking branch 'origin/pr/472' :: Daniel Davison

3.4.0 chromium update :: Daniel Davison