Update README.md (#225)

* Update README.md

Added alternative way to install bazel. Because people have been facing problem and by mistake they are downloading the latest version.

* Update README.md

syntaxnet/README.md

@@ -81,6 +81,9 @@ source. You'll need to install:
 *   bazel:
     *   **versions 0.2.0 - 0.2.2b, NOT 0.2.3**
     *   follow the instructions [here](http://bazel.io/docs/install.html)
+    *   Alternately, Download bazel (0.2.2-0.2.2b) <.deb> from [here](https://github.com/bazelbuild/bazel/releases) for your system configuration.
+    *   Install it using the command: sudo dpkg -i <.deb file>
+    *   Check for the bazel version by typing: bazel version
 *   swig:
     *   `apt-get install swig` on Ubuntu
     *   `brew install swig` on OSX