Add comments about sever setup

.htaccess.root

+#---README--
+#Frontier setup:
+#  /cwis/data/index.shtml -> root/ucomm/index.shtml (symlink)
+#  /cwis/data/.htaccess -> root/ucomm/.htaccess.root (symlink)
+#
+#/cwis/data/ucomm/.htaccess contains rewirte rules that we only want applied to the ucomm directory (www.unl.edu/ucomm/), 
+#so this file (.htaccess.root) contains rules that we only want applied to the root directory (www.unl.edu) 
+
+
+
 RewriteEngine On
 
 RewriteCond %{REMOTE_HOST} ^129\.93 [OR]