[tunnel] added about section

:Release Notes:
-

:Detailed Notes:
-

:Testing Performed:
-

:QA Notes:
-

:Issues Addressed:
-

tun.sh

@@ -4,7 +4,7 @@ version=0.1
 idx=0
 killFlag=0
 endpoint="192.168.105.100"
-user="vptyp"
+user="$USER"
 cacheFile=.tunLast
 privateKeyLoc="~/.ssh/id_ecdsa"
 override=0
@@ -46,9 +46,19 @@ function usage {
 	"
 }
 
+function about {
+	echo "
+	${scriptName} ver.${version} 
+	Setup with next settings:
+		started up under user: ${user}
+		endpoint: ${endpoint}
+		cacheFile: ${cacheFile}
+	"
+}
+
 while [[ "$1" =~ ^- && ! "$1" == "--" ]]; do case $1 in
-  -V | --version )
-    echo "$version"
+  -a | --about )
+    about
     exit
     ;;
   -k | --kill )