Merge r560533, r562236 from trunk:

PR: 40299	Registered Javascript/ECMAScript MIME types (RFC4329)
PR: 40379	Apple installer registered type

Comment: "dist" and "pkg" are too widely used to reserve.
Not sure if they could be overloaded in the context of "extension"s?


Note mime.types updates

Submitted by: niq
Reviewed by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@562446 13f79535-47bb-0310-9956-ffa450edef68