Add note about installing on Ruby 1.8.7 [ci skip]

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Erik Michaels-Ober 2013-07-02 00:47:25 +02:00
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@ -27,6 +27,27 @@ Here is an example of wading through server creation for Amazon Elastic Compute
>> server.destroy # cleanup after yourself or regret it, trust me
true
## Ruby 1.8.7
The maintainers of this project, in concert with the maintainers of Ruby,
**strongly** recommend using the latest patchlevel of Ruby 1.9.2 or later.
[As of July 1, 2013, Ruby 1.8.7 is no longer officially maintained.][retired]
This means fixes will no longer be provided, even for known security
vulnerabilities.
[retired]: http://www.ruby-lang.org/en/news/2013/06/30/we-retire-1-8-7/
With this caveat, if you wish to bundle `fog` into your application on Ruby
1.8.7, you must add the following line to your `Gemfile`.
gem 'nokogiri', '~>1.5.0'
Also, ensure that you are using LibXML version 2.8.0, since there is an
[issue with LibXML version 2.9.0][issue829] ([and 2.9.1][issue904]).
[issue829]: https://github.com/sparklemotion/nokogiri/issues/829
[issue904]: https://github.com/sparklemotion/nokogiri/issues/904
## Collections
A high level interface to each cloud is provided through collections, such as `images` and `servers`.