Build RTEMS

[Chris Johns]

Ralf Corsepius wrote:
> We need a release process and snapshot tarballs - Pointing users to the
> git swamp is not helpful.

We do not need to manually make snapshot tarballs. The cgit web 
interface provides a simple fast way to get a tarball. For example the

  http://git.rtems.org/rtems/snapshot/rtems-master.tar.bz2

The same goes for 4.10.* branches, any other release, in fact any commit.

Chris