Merge branch 'feature/2-d_o_review_prep' into 7.x-1.x

* feature/2-d_o_review_prep:
  #2 D.o. review preparation: pareview.sh recommendation in use of theme function.
  #2 D.o. review preparation: added link to settings page.
  #2 D.o. review preparation: added hook_help().
  #2 D.o. review preparation: comment typo.
  #2 D.o. review preparation: added link to module page after installation.
  #2 D.o. review preparation: added link to settings page.
  #2 D.o. review preparation: updated README files.
  #2 Added README (md+txt).

Conflicts:
	routing_debug.install