Factor out sidebar entry construction
This makes it possible to reuse this logic in other modules as well,
preventing code duplication. While at it, move additional_sidebar
merging before the other entries (additional entries should go first,
since the other entries are mostly dev-only etc).
Patch by: Sverre Rabbelier
#!/usr/bin/env python
#
# Copyright 2007 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#