Add ci scripts (#1)

* Add ci scripts

* Move config files to ci/kokoro/docker

* Remove dump-logs etc

* Simplified grpc installation

* Add Ubuntu 16.04 kokoro config

* Address code review

ci/install-grpc.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+# Copyright 2019 Google LLC
+#
+# 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.
+
+set -eu
+
+mkdir -p /var/tmp/Downloads
+cd /var/tmp/Downloads
+
+# Install protobuf
+wget -q https://github.com/google/protobuf/archive/v3.8.0.tar.gz
+tar -xf v3.8.0.tar.gz
+(cd protobuf-3.8.0/cmake;
+ cmake \
+   -DCMAKE_BUILD_TYPE=Release \
+   -DBUILD_SHARED_LIBS=yes \
+   -Dprotobuf_BUILD_TESTS=OFF \
+   -H. -Bcmake-out
+ cmake --build cmake-out --target install -- -j "$(nproc)"
+ ldconfig
+)
+
+# Install grpc
+wget -q https://github.com/grpc/grpc/archive/v1.22.0.tar.gz
+tar -xf v1.22.0.tar.gz
+(cd grpc-1.22.0;
+ make -j "$(nproc)"
+ make install
+ ldconfig
+)