Added script to update version numbers of all components simultaneously.

This prevents diversion between version numbers.

update_version.sh

+#!/bin/bash
+
+if [ -z "$1" ]; then
+    echo "Usage: $0 new-version" >&2
+    exit 1
+fi
+
+sed "s/version='[^']*'/version='$1'/" -i packages/flamenco/setup.py
+sed "s/version='[^']*'/version='$1'/" -i packages/flamenco-worker-python/setup.py
+sed "s/FLAMENCO_VERSION = \"[^\"]*\"/FLAMENCO_VERSION = \"$1\"/" -i packages/flamenco-manager-go/src/flamenco-manager/main.go
+
+git diff
+echo
+echo "Don't forget to tag and commit!"