Iterate on the contents of the web page

[japaric]

Follow up of #49.

TODO

• commit a copy of the submitted content in markdown format to this repo and keep it in sync with the version that has been integrated into the revamped website (not yet public) so others can provide feedback.

[jamesmunns]

@japaric How about this for the 6th section?

Integrated Build System

Manage dependencies, build options, and optimization settings in a single configuration file. Extensible with custom build scripts, and integrates with your existing build system

[japaric]

This has been done. The new website will go into beta Soon (TM)