Add required permissions

Add required permissions to steps in troubleshooting guide.

Signed-off-by: Michal Konecny <mkonecny@redhat.com>

modules/sysadmin_guide/pages/pagure.adoc

@@ -116,6 +116,8 @@ users re-create the projects as they wish.
 +
 The repositories could be found on `/srv/git/repositories/` and inside each
 you can check `refs/pull/<PR_number>` directory.
+For checking the permissions you don't need any special permissions, but
+if you need to adjust anything you need to root permissions.
 
 . Close the PR using `requests` repository
 +
@@ -137,6 +139,7 @@ Use `git log` for that
 . Removing the PR from project
 +
 This should be last resort when everything others fails.
+You need to have root access to `pagure02`.
 +
 .. Log in to PostgreSQL db on `pagure02`
 +