svn:executable property forced

git-svn-id: http://svn.apache.org/repos/asf/archiva/site-content@1662420 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/download.cgi b/download.cgi
old mode 100644
new mode 100755
diff --git a/index.cgi b/index.cgi
old mode 100644
new mode 100755