Simply ran the new ./maint/check_copyright.bash script.

Fixes #2032.

Signed-off-by: Ken Raffenetti <raffenet@mcs.anl.gov>

By setting "indent-tabs-mode:nil" we should hopefully begin to slowly
squeeze out hard tabs from the source without a disruptive (to
downstream projects) whitespace-fixing change.

No reviewer.

1. Move UI specific parameters to a different structure, so other
components don't see them.

2. Rename HYD_handle to HYD_server_info to make the data in it
clearer.

3. Rename hydra.h to hydra_server.h (this is only used by the server
side). Also make sure the proxy side code does not include it.

4. Merge hydra_base.h and hydra_utils.h and make it hydra.h, as these
are the utility functions used for both the servers and the proxies.

not available or doesn't work correctly.

it's always required.

the same socket.