Update to Bazel's installation instructions:
- adding doc about Ubuntu 16.04
- removing doc about Ubuntu 14.04
- individual platform instructions now chunked into separate doc topics

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+
+layout: documentation
+
+## title: Installing Bazel on Ubuntu
+
+# <a name="ubuntu"></a>Install Bazel on Ubuntu
+
+Supported Ubuntu Linux platforms:
+
+*   16.04 (LTS)
+*   15.10
+
+Install Bazel on Ubuntu using one of the following methods:
+
+*   [Use our custom APT repository (recommended)](#install-on-ubuntu)
+*   [Use the binary installer](#install-with-installer-ubuntu)
+*   [Compile Bazel from source](#install-compile-source.md)
+
+Bazel comes with two completion scripts. After installing Bazel, you can:
+
+*   access the [bash completion script](install.md)
+*   install the [zsh completion script](install.md)
+
+## <a name="install-on-ubuntu"></a> Using Bazel custom APT repository (recommended)
+
+### 1. Add Bazel distribution URI as a package source (one time setup)
+
+```
+$ echo "deb [arch=amd64] http://storage.googleapis.com/bazel-apt stable jdk1.8" | sudo tee /etc/apt/sources.list.d/bazel.list
+$ curl https://bazel.build/bazel-release.pub.gpg | sudo apt-key add -
+```
+
+If you want to use the JDK 7, please replace `jdk1.8` with `jdk1.7` and if you
+want to install the testing version of Bazel, replace `stable` with `testing`.
+
+### 2. Install and update Bazel
+
+`$ sudo apt-get update && sudo apt-get install bazel`
+
+Once installed, you can upgrade to newer version of Bazel with:
+
+`$ sudo apt-get upgrade bazel`
+
+## <a name="install-with-installer-ubuntu"></a>Install with installer
+
+We provide binary installers on our
+<a href="https://github.com/bazelbuild/bazel/releases">GitHub releases page</a>
+
+The installer only contains Bazel binary, some additional libraries are required
+to be installed on the machine to work.
+
+### 1. Install JDK 8
+
+To install OpenJDK 8:
+
+```
+$ sudo apt-get install openjdk-8-jdk
+```
+
+### 2. Install other required packages
+
+```
+$ sudo apt-get install pkg-config zip g++ zlib1g-dev unzip
+```
+
+### 3. Download Bazel
+
+Download the [Bazel installer](https://github.com/bazelbuild/bazel/releases) for
+your operating system.
+
+### 4. Run the installer
+
+Run the installer:
+
+<pre>
+$ chmod +x bazel-<em>version</em>-installer-<em>os</em>.sh
+$ ./bazel-<em>version</em>-installer-<em>os</em>.sh --user
+</pre>
+
+The `--user` flag installs Bazel to the `$HOME/bin` directory on your system and
+sets the `.bazelrc` path to `$HOME/.bazelrc`. Use the `--help` command to see
+additional installation options.
+
+### 5. Set up your environment
+
+If you ran the Bazel installer with the `--user` flag as above, the Bazel
+executable is installed in your `$HOME/bin` directory. It's a good idea to add
+this directory to your default paths, as follows:
+
+```bash
+$ export PATH="$PATH:$HOME/bin"
+```
+
+You can also add this command to your `~/.bashrc` file.