Update ruby-mode package to 1.8.7.17.

* misc/ruby-mode.el: move fontifying code from hook.  a patch from
  Phil Hagelberg <phil at hagelb.org> in [ruby-core:16636].

* misc/rdebug.el, misc/README: Remove rdebug.el as per request
  from the maintainer and mention the ruby-debug project at
  RubyForge in README; bug#19043.

* misc/ruby-style.el (ruby-style-{case,label}-indent): fix for labels
  inside blocks in switch and function top level.

* misc/ruby-mode.el (ruby-mode): should use `run-mode-hooks' instead
  of calling `run-hooks' directly to run the mode hook.  patch from
  Chiyuan Zhang <pluskid AT gmail.com> in [ruby-core:15915]

* misc/ruby-mode.el (ruby-parse-partial): handle stringified
  symbols properly using ruby-forward-string.

* misc/ruby-style.el (ruby-style-label-indent): for yacc rules.

* misc/ruby-style.el: new file.  C/C++ style for ruby source code.

(taca)