HPCC-8630 Configmr - Add htpasswd Option to ESP Authentication

- Make default environment.xml htpasswd file location absolute

Signed-off-by: Gleb Aronsky <gleb.aronsky@lexisnexis.com>

initfiles/etc/DIR_NAME/environment.xml.in

@@ -423,7 +423,7 @@
               name="myesp"
               perfReportDelay="60"
               portalurl="${PORTALURL}">
-   <Authentication htpasswd="./etc/HPCCSystems/.htpasswd"
+   <Authentication htpasswd="/etc/HPCCSystems/.htpasswd"
                    ldapAuthMethod="kerberos"
                    ldapConnections="10"
                    ldapServer=""