Adding a script for building LBaaS package

* LBaaS_Library.zip (the reslt of the script) is added to gitignore
   in order to prevent adding it to git.

Change-Id: I13295661c52da8d0387545c2f3c444ec49e85034

murano-apps/LBaaS-interface/.gitignore

@@ -0,0 +1 @@
+LBaaS_Library.zip

murano-apps/LBaaS-interface/build_package.sh

@@ -0,0 +1,34 @@
+# Stop the script if an error occurs.
+set -e
+
+function cleanup {
+  cd $SCRIPTPATH
+  rm -rf tmp
+}
+
+# In case if script is running not where it is located.
+cd $(dirname $0)
+SCRIPTPATH=`pwd`
+
+# Cleanup tmp dir on script exit.
+trap 'cleanup' EXIT
+
+mkdir tmp
+
+cp -v -r Classes Resources manifest.yaml tmp/
+
+archive_name=lbaas.tar.gz
+lbaas_directory_name=lbaas_api-0.1
+
+# Pack python tarball.
+pushd tmp/Resources/scripts
+  tar -czvf $archive_name $lbaas_directory_name/*
+  base64 $archive_name > $archive_name.bs64
+  rm -rf $lbaas_directory_name
+  rm -rf $archive_name
+popd
+
+# Make murano package.
+pushd tmp
+  zip -r ../LBaaS_Library.zip .
+popd