Improvements related to ASF release process (#7539)

* [WiP] Improvements related to ASF release process

* Removing translation binaries (.mo)
* Working on 2 docker files to help package and validate releases
  * Dockerfile.from_tarball: takes a VERSION as input, downloads
    official source release fro svn and bakes it into a functional
    docker image that can be validated
  * Dockerfile.make_tarball: helps a maintainer to package and sign a
    release candidate or release

* Address COPYRIGHT + LICENSE issues

(cherry picked from commit 5ae2836b25)

* Add Roboto font to LICENSE, remove glyphicons files

(cherry picked from commit 9615f39f7a556afe217b4e3288c9116f8ffaab91)

* remove unused LICENSE entries

* Change babytux to open image in birth dashboard

(cherry picked from commit 2776d11893596a029b8af37b96fd6ce1a9f12059)

* Improve instructions

* Docker tweaks

(cherry picked from commit df6e6462458ea8cff1482c142921b20f5607ad8e)

* Include image

RELEASING/Dockerfile.from_tarball

@@ -0,0 +1,71 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+FROM python:3.6-jessie
+
+RUN useradd --user-group --create-home --no-log-init --shell /bin/bash superset
+
+# Configure environment
+ENV LANG=C.UTF-8 \
+    LC_ALL=C.UTF-8
+
+RUN apt-get update -y
+
+# Install dependencies to fix `curl https support error` and `elaying package configuration warning`
+RUN apt-get install -y apt-transport-https apt-utils
+
+# Install superset dependencies
+# https://superset.incubator.apache.org/installation.html#os-dependencies
+RUN apt-get install -y build-essential libssl-dev \
+    libffi-dev python3-dev libsasl2-dev libldap2-dev libxi-dev
+
+# Install nodejs for custom build
+# https://superset.incubator.apache.org/installation.html#making-your-own-build
+# https://nodejs.org/en/download/package-manager/
+RUN curl -sL https://deb.nodesource.com/setup_10.x | bash - \
+    && apt-get install -y nodejs
+
+RUN mkdir -p /home/superset
+RUN chown superset /home/superset
+
+WORKDIR /home/superset
+ARG VERSION
+
+RUN svn co https://dist.apache.org/repos/dist/dev/incubator/superset/$VERSION ./
+RUN tar -xvf *.tar.gz
+WORKDIR apache-superset-incubating-$VERSION
+
+RUN cd superset/assets \
+    && npm ci \
+    && npm run build \
+    && rm -rf node_modules
+
+
+WORKDIR /home/superset/apache-superset-incubating-$VERSION
+RUN pip install --upgrade setuptools pip \
+    && pip install -r requirements.txt -r requirements-dev.txt \
+    && pip install -e . \
+    && rm -rf /root/.cache/pip
+
+RUN fabmanager babel-compile --target superset/translations
+
+RUN pip install -e . \
+    && rm -rf /root/.cache/pip
+
+ENV PATH=/home/superset/superset/bin:$PATH \
+    PYTHONPATH=/home/superset/superset/:$PYTHONPATH
+COPY from_tarball_entrypoint.sh /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]