Update submodule lib/dircolors-solarized 1a865cc...ef8bc4f

* lib/dircolors-solarized 1a865cc...ef8bc4f (1):
  > Merge pull request #40 from otommod/master
Update submodule lib/vimpager 10b0e18...b039f6d

* lib/vimpager 10b0e18...b039f6d (2):
  > release 1.8.6
  > Merge pull request #72 from mortonfox/master
Add i3-runorfocus

Source: https://faq.i3wm.org/question/2473/run-or-focus-in-i3/?answer=2792#post-id-2792
Add Python shebang
Remove decode call from process.communicate

This might/should not be necessary and caused a UnicodeDecodeError for
me.
Add argparse and handle/bypass some xdotool args
Fix call to i3-msg: --no-startup-id belongs to exec