Log Message:
Update ruby-nokogiri package to 1.5.0.  (a leaf package)

* It fixes a critical bug in 1.4.6.

== 1.5.0 / 2011-07-01

* Notes

  * See changelog from 1.4.7

* Features

  * extracted sets of Node::SaveOptions into \ 
Node::SaveOptions::DEFAULT_{X,H,XH}TML (refactor)

* Bugfixes

  * default output of XML on JRuby is no longer formatted due to
    inconsistent whitespace handling. #415
  * (JRuby) making empty NodeSets with null `nodes` member safe to operate on. #443
  * Fix a bug in advanced encoding detection that leads to partially
    duplicated document when parsing an HTML file with unknown
    encoding.
  * Add support for <meta charset="...">.

== 1.5.0 beta3 / 2010/12/02

* Notes

  * JRuby performance tuning
  * See changelog from 1.4.4

* Bugfixes

  * Node#inner_text no longer returns nil. (JRuby) #264

== 1.5.0 beta2 / 2010/07/30

* Notes

  * See changelog from 1.4.3

== 1.5.0 beta1 / 2010/05/22

* Notes

  * JRuby support is provided by a new pure-java backend.

* Deprecations

  * Ruby 1.8.6 is deprecated. Nokogiri will install, but official support is ended.
  * LibXML 2.6.16 and earlier are deprecated. Nokogiri will refuse to install.
  * FFI support is removed.

=== 1.4.7 / 2011-07-01

* Bugfixes

  * Fix a bug in advanced encoding detection that leads to partially
    duplicated document when parsing an HTML file with unknown
    encoding. Thanks, Timothy Elliott (@ender672)! #478

=== 1.4.6 / 2011-06-19

* Notes

  * This version is functionally identical to 1.4.5.
  * Ruby 1.8.6 support has been restored.