Upgrade from 0.3 to 0.4.

PR: 225386

<ChangeLog>

*) Feature: compatibility with DragonFly BSD.

*) Feature: "configure php --lib-static" option.

*) Bugfix: HTTP request body was not passed to application; the bug had

appeared in 0.3.

*) Bugfix: HTTP large header buffers allocation and deallocation fixed;

the bug had appeared in 0.3.

*) Bugfix: some PHP applications might not work with relative "root"

path.

</ChangeLog>