Added a blog post for the beta release

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site/blog/_posts/2015-09-01-beta-release.md

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+---
+layout: posts
+title: Bazel Builder Blasts Beyond Beta Barrier
+---
+
+_Reposted from [Google's Open Source blog](http://google-opensource.blogspot.com/2015/09/building-build-system-bazel-reaches-beta.html)._
+
+We're excited to announce the Beta release of [Bazel](http://bazel.io), an [open
+source](https://github.com/bazelbuild/bazel) build system designed to support a
+wide variety of different programming languages and platforms.
+
+There are lots of other build systems out there -- Maven, Gradle, Ant, Make, and
+CMake just to name a few. So what's special about Bazel? Bazel is what we use to
+build the large majority of software within Google. As such, it has been
+designed to handle build problems specific to Google's development environment,
+including a massive, shared code repository in which all software is built from
+source, a heavy emphasis on automated testing and release processes, and
+language and platform diversity. Bazel isn't right for every use case, but we
+believe that we're not the only ones facing these kinds of problems and we want
+to contribute what we've learned so far to the larger developer community.
+
+Our beta release provides:
+
+* Binary releases for
+  [Linux and OS X](https://github.com/bazelbuild/bazel/releases).
+* Support for building and testing C++, Java, Python, Rust,
+  [and more](http://bazel.io/docs/build-encyclopedia.html).
+* Support for building Docker images, Android apps, and iOS apps.
+* Support for using libraries from
+  [Maven, GitHub, and more](http://bazel.io/docs/external.html).
+* [A robust API](http://bazel.io/docs/skylark/index.html) for adding your own
+  build rules.
+
+Check out the [tutorial app](http://bazel.io/docs/tutorial/index.html) to see a
+working example using several languages.
+
+We still have a long way to go.  Looking ahead towards our 1.0.0 release, we
+plan to provide Windows support, distributed caching, and Go support among other
+features. See our [roadmap](http://bazel.io/roadmap.html) for more details
+and follow our [blog](http://bazel.io/blog) or
+[Twitter](https://twitter.com/bazelbuild) account for regular updates.  Feel
+free to contact us with questions or feedback on the
+[mailing list](https://groups.google.com/forum/#!forum/bazel-discuss) or IRC
+(#bazel on freenode).
+
+_By Jeff Cox, Bazel team_