[Solr Wiki] Update of "CoreAdmin" by ErickErickson

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The "CoreAdmin" page has been changed by ErickErickson:
http://wiki.apache.org/solr/CoreAdmin?action=diff&rev1=48&rev2=49

  <<TableOfContents>>
  
  = Configuration =
- As of <!> [[Solr 4.3]], there is a change in configuring cores: solr.xml &lt;cores&gt; can contain a new parameter, ''autoDiscoverCores'' which enables discovering cores by walking the <SOLR_HOME> tree. See [[Solr.xml]]
+ As of <!> [[Solr4.3]], there is a change in configuring cores: solr.xml &lt;cores&gt; can contain a new parameter, ''autoDiscoverCores'' which enables discovering cores by walking the <SOLR_HOME> tree or (optionally) the tree defined by a new parameter ''coreRootDirectory''. See [[Solr.xml (supported through 4.x)]]
+ 
+ As of <!> [[Solr4.3]] there will be an optional new structure for solr.xml that will be mandatory for 5.0. See [[Solr.xml 4.3 and beyond]]. As of <!> [[Solr5.0]] this new structure will be mandatory and cores will be discovered by walking SOLR_HOME or coreRootDirectory (see the above link).
+ 
+ As of <!> [[Solr5.0]] '''defining cores in solr.xml will no longer be supported''', auto-discovery will be the only method of defining cores. See [[Solr.xml 4.3 and beyond]]
  
  
  = CoreAdminHandler =