Search dashlet results UI improvements

- integrated Lightbox into all search results lists for image/* mimetypes (dashlets and simple/advanced search)
 - inline actions updated to show as appropriate for images or documents
 - simplified common search lib code used to generate thumbnails or previews

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@40388 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

config/alfresco/templates/webscripts/org/alfresco/slingshot/search/search.get.json.ftl

@@ -16,6 +16,7 @@
 			"modifiedByUser": "${item.modifiedByUser}",
 			"modifiedBy": "${item.modifiedBy}",
 			"size": ${item.size?c},
+			"mimetype": "${item.mimetype!''}",
 			<#if item.site??>
 			"site":
 			{

config/alfresco/templates/webscripts/org/alfresco/slingshot/search/search.lib.js

@@ -115,6 +115,7 @@ function getRepositoryItem(folderPath, node)
             modifiedByUser: node.properties["cm:modifier"],
             createdOn: node.properties["cm:created"],
             createdByUser: node.properties["cm:creator"],
+            mimetype: node.mimetype,
             path: folderPath.join("/")
          };
          item.modifiedBy = getPersonDisplayName(item.modifiedByUser);
@@ -170,6 +171,7 @@ function getDocumentItem(siteId, containerId, pathParts, node)
             modifiedByUser: node.properties["cm:modifier"],
             createdOn: node.properties["cm:created"],
             createdByUser: node.properties["cm:creator"],
+            mimetype: node.mimetype,
             path: pathParts.join("/")
          };
          item.modifiedBy = getPersonDisplayName(item.modifiedByUser);