ACS-457: Build linkage, tagging and release

- add debug/info message on the *cloneUpstream* build scripts

scripts/travis/build_functions.sh

@@ -12,6 +12,8 @@ function cloneRepo() {
   local REPO="${1}"
   local TAG_OR_BRANCH="${2}"
 
+  printf "Clonning \"%s\" on %s" "${TAG_OR_BRANCH}" "${REPO}"
+
   # clone the repository branch/tag
   pushd "$(dirname "${BASH_SOURCE[0]}")/../../../" >/dev/null