Update ruby-rb-inotify to 0.9.10.

* Handle possible IOError
* avoid crashing on Ruby 2.3.1 when fd is closed
* Add license info to the gemspec.
* Add test environment.
* Initial move to bundler and travis testing.
* Update readme with travis, code climate and coveralls
* Fix invalid or closed file descriptor issues on JRuby
* Modernize copyright/documentation
* Fix incorrect development dependency on ffi
* Update homepage = guard
* Update badge links for guard org
* Add JRuby and Rubinius cases on Travis CI.
* Delete watchers that received the "IN_IGNORED" flag
* Made size more accurately allocated.
* Fix for breaking change for Ruby and runtime dependency version condition.
* Remove stuff that doesn't work on older rubies.
* Remove wrong comment for utopia.gemspec from Gemfile.
* Fix to suppress warning when "gem build rb-inotify.gemspec" (#70)

(taca)