Merged V2.1 to HEAD

6327: Drops alfresco-deployment.zip in build/dist instead of build.
   6328:Set AVM file name requirements as lenient as possible.
   6329: Fixed DNS name restriction to allow 1-char host labels.
   6330: Setting read-only flag for start up components (AR-1621 and AR-193)
   6331: Minor formatting
   6332: Implementation of a read-only, HTTP-based ContentStore.
   6333: AR-1619: A debug message needed changing as the FileFolderService now supports adding children onto system nodes.
   6334: Build fix
   6335: Fix for AWC-1447 (Office Add-In - Create Collaboration Space)
   6337: Fixed AR-1622: WebService requests must be wrapped in retries


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@6721 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/content/filestore/FileContentReader.java

@@ -208,7 +208,7 @@ public class FileContentReader extends AbstractContentReader
             // the file must exist
             if (!file.exists())
             {
-                throw new IOException("File does not exist");
+                throw new IOException("File does not exist: " + file);
             }
             // create the channel
             ReadableByteChannel channel = null;

source/java/org/alfresco/repo/content/filestore/FileContentStore.java

@@ -304,7 +304,7 @@ public class FileContentStore extends AbstractContentStore
      */
     public boolean isWriteSupported()
     {
-        return true;
+        return !readOnly;
     }
 
     /**