Add DB migration update script

gen-api-migrations

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# Generate the database migration files
+
+VERSION="$( head -1 debian/changelog | awk -F'[()-]' '{ print $2 }' )"
+
+pushd api-daemon
+./pvcapid-manage.py db migrate -m "PVC version ${VERSION}"
+./pvcapid-manage.py db upgrade
+git reset
+git add migrations
+git commit -v "[gen-api-migrations] New database migration"
+popd