List/find repository layouts from xml configuration.
Test listing/finding repository layouts.
Refactor Layout.find for consistency with Layout.all.
Move xml parsing out of base class.
Fix whitespace.
Invoke REXML::XPath explicitly.
Broken spec file.
Broken spec.
Add unit tests for Layout.{find,all}.
By default, layout expects a distinctive descriptor path pattern.
Return nil when a repoLayout name is unmatched in the system config.
Specify content-type for updating config.
Add documentation for xml-crunching methods.
Simplify list_from_config method.
Set default values correctly.
Update unit test for update_configuration to match reality.
Fix quotes.
Replace long xml strings with HEREDOCs.
Document need for setting content-type.
Merge pull request #23 from opscode/yzl/releng4-repository-layouts

Yzl/releng4 repository layouts