Give possibility to merge functionality of inheritance and include.

To install it, put file "includetag.py" to your app templatetag directory.

In template load includetag by load call: {% load includetag %}

And in place of inclusion - put code, similar to my sample:

```

{% include "control.html" %} {% part one %} put inside {% endpart %} {% part two %} put inside one more {% endpart %} {% endinclude %}

```

Inside control.html:

```

```