give better pointers what to read first

bin/common-functions.sh

@@ -32,15 +32,15 @@ if [ "${0:0:5}" != "/tmp/" ] ; then
 	chmod +x $TTT
 	echo "===================================================================================="
 	echo
-	echo "$(date) - running $0 ($JOB_NAME) on $(hostname) now."
+	echo "$(date -u) - running $0 ($JOB_NAME) on $(hostname) now."
 	echo
 	echo "To learn to understand this, clone git.debian.org/git/qa/jenkins.debian.net.git"
-	echo "and then have a look at bin/$(basename $0)"
+	echo "and then have a look at the files README, INSTALL, CONTRIBUTING and maybe TODO."
 	echo 
-	echo "This invocation of the script has been called using \"$@\" as arguments." 
+	echo "This invocation of this script, which is located in bin/$(basename $0), has been called using \"$@\" as arguments." 
 	echo
 	echo "===================================================================================="
-	echo "$(date) - start running \"$0\" (md5sum $(md5sum $0|cut -d ' ' -f1)) as \"$TTT\" on $(hostname)."
+	echo "$(date -u) - start running \"$0\" (md5sum $(md5sum $0|cut -d ' ' -f1)) as \"$TTT\" on $(hostname)."
 	echo
 	# this is the "hack": call ourself as a copy in /tmp again
 	# (setsid is not related to this hack. see commit log for 24deda5a8 it.)