updates more cache handling, fixes syntax error in examineindex.release.config, fixes the DefaultServerMessenger ctor

to be lazy since the db context isn't initialized yet (will speed up start a bit too), ensures that the macro/xslt caching
clearing is only done on the single server instead or re-posing another distributed call.

src/Umbraco.Web.UI/Umbraco.Web.UI.csproj

@@ -2469,7 +2469,7 @@ xcopy "$(ProjectDir)"..\packages\SqlServerCE.4.0.0.0\x86\*.* "$(TargetDir)x86\"
           <AutoAssignPort>True</AutoAssignPort>
           <DevelopmentServerPort>61637</DevelopmentServerPort>
           <DevelopmentServerVPath>/</DevelopmentServerVPath>
-          <IISUrl>http://localhost:61639/VirtualDir</IISUrl>
+          <IISUrl>http://localhost:61638</IISUrl>
           <NTLMAuthentication>False</NTLMAuthentication>
           <UseCustomServer>False</UseCustomServer>
           <CustomServerUrl>

src/Umbraco.Web.UI/config/ExamineIndex.Release.config

@@ -7,11 +7,12 @@ Index/Search providers can be defined in the UmbracoSettings.config
 More information and documentation can be found on CodePlex: http://umbracoexamine.codeplex.com
 -->
 <ExamineLuceneIndexSets>
+  
   <!-- The internal index set used by Umbraco back-office - DO NOT REMOVE -->
   <IndexSet SetName="InternalIndexSet" IndexPath="~/App_Data/TEMP/ExamineIndexes/Internal/" /> 
 
   <!-- The internal index set used by Umbraco back-office for indexing members - DO NOT REMOVE -->
-  <IndexSet SetName="InternalMemberIndexSet" IndexPath="~/App_Data/TEMP/ExamineIndexes/InternalMember/" />  
+  <IndexSet SetName="InternalMemberIndexSet" IndexPath="~/App_Data/TEMP/ExamineIndexes/InternalMember/" >  
     <IndexAttributeFields>
       <add Name="id" />
       <add Name="nodeName"/>