make all examples of refrencing solr jars consistent across the various solrconfig.xml files - new regex will match official version numbers, dev version numbers, and 'nightly' version numbers, but will prevent the JVM from loading the 'src' and 'doc' jars

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@824882 13f79535-47bb-0310-9956-ffa450edef68

contrib/clustering/example/conf/solrconfig.xml

@@ -26,7 +26,7 @@
      -->
   <abortOnConfigurationError>${solr.abortOnConfigurationError:true}</abortOnConfigurationError>
 
-  <lib dir="../../../dist/" regex="apache-solr-clustering-(\d|\.)+-.*\.jar" />
+  <lib dir="../../../dist/" regex="apache-solr-clustering-(nightly|\d).*\.jar" />
   <lib dir="../lib" />
   <!-- these jars are not inlcuded in the release because of their licenses,
        they will be downlodded when 'ant example' is run

example/example-DIH/solr/mail/conf/solrconfig.xml

@@ -27,7 +27,7 @@
   <abortOnConfigurationError>${solr.abortOnConfigurationError:true}</abortOnConfigurationError>
 
   <lib dir="../../../../contrib/dataimporthandler/lib/" regex=".*jar$" />
-  <lib dir="../../../../dist/" regex="apache-solr-dataimporthandler-extras.*jar" />
+  <lib dir="../../../../dist/" regex="apache-solr-dataimporthandler-extras-(nightly|\d).*jar" />
   
   <indexDefaults>
    <!-- Values here affect all index writers and act as a default unless overridden. -->

example/solr/conf/solrconfig.xml

@@ -51,7 +51,7 @@
        directory which completely match the regex (anchored on both ends)
        will be included.
     -->
-  <lib dir="../../dist/" regex="apache-solr-cell-.*\.jar" />
+  <lib dir="../../dist/" regex="apache-solr-cell-(nightly|\d).*\.jar" />
   <!-- If a dir option (with or without a regex) is used and nothing is found
        that matches, it will be ignored
     -->