[perl6/specs] 4b6a1f: Kebab-case IO::Notification.watch_path

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: 4b6a1fc316c999c07f95754dc1a7ebd166a917f9
      
https://github.com/perl6/specs/commit/4b6a1fc316c999c07f95754dc1a7ebd166a917f9
  Author: Elizabeth Mattijsen <l...@dijkmat.nl>
  Date:   2015-08-11 (Tue, 11 Aug 2015)

  Changed paths:
    M S17-concurrency.pod

  Log Message:
  -----------
  Kebab-case IO::Notification.watch_path

Also simplify .IO.watch example