Toggle Gravatar support at the system settings.

src/main/scala/service/RequestCache.scala

@@ -1,6 +1,7 @@
 package service
 
 import model._
+import service.SystemSettingsService.SystemSettings
 
 /**
  * This service is used for a view helper mainly.
@@ -10,6 +11,11 @@ import model._
  */
 trait RequestCache {
 
+  def getSystemSettings()(implicit context: app.Context): SystemSettings =
+    context.cache("system_settings"){
+      new SystemSettingsService {}.loadSystemSettings()
+    }
+
   def getIssue(userName: String, repositoryName: String, issueId: String)(implicit context: app.Context): Option[Issue] = {
     context.cache(s"issue.${userName}/${repositoryName}#${issueId}"){
       new IssuesService {}.getIssue(userName, repositoryName, issueId)