Merge pull request #632 from albers/manage-jenkins-improvements

minor textual improvements on Manage Jenkins page to improve appearance
Thanks

core/src/main/resources/hudson/Messages.properties

@@ -62,4 +62,4 @@ PluginManager.ConfigureUpdateCenterPermission.Description=\
 configure update sites and proxy settings.
 
 AboutJenkins.DisplayName=About Jenkins
-AboutJenkins.Description=See the version and license information
+AboutJenkins.Description=See the version and license information.

core/src/main/resources/jenkins/management/PluginsLink/info.jelly

@@ -25,6 +25,6 @@
 <?jelly escape-by-default='true'?>
 <j:jelly xmlns:j="jelly:core">
     <j:if test="${!empty app.updateCenter.updates}">
-      <span style="color:red; font-weight:bold">(${%updates available})</span>
+      <span style="color:red; font-weight:bold">&amp;nbsp;(${%updates available})</span>
     </j:if>
 </j:jelly>
\ No newline at end of file