RFR: Updated intro

[Iris Clark]

On Tue, 2 Jun 2020 01:20:59 GMT, Jesper Wilhelmsson <jwilhelm at openjdk.org> wrote:

> I re-wrote the intro to talk more about the present and less about the past.

src/intro.md line 9:

> 8:
> 9: The OpejJDK project governs the Java programming language and the Java runtime.
> 10: The project was created when the JDK was first released under the GPLv2 license in May

Not quite.  The Java APIs, JLS, JVMS, and other normative specifications (e.g. Serialization Spec, RMI Spec, etc.) are
defined by the Java Community Process (jcp.org).  OpenJDK is the place to collaborate on an open-source implementation
of the Java Platform, Standard Edition, and related projects.

src/intro.md line 10:

> 9: The OpejJDK project governs the Java programming language and the Java runtime.
> 10: The project was created when the JDK was first released under the GPLv2 license in May
> 11: 2007 and since then a community has grown around it to help develop and maintain Java.

I think that "The project" should be replaced with "OpenJDK".

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PR: https://git.openjdk.java.net/guide/pull/15