libexecdir should be used over bindir. Noticed by Christian "naddy" Weisgerber

Add gotadmin to configure.ac, etc., so it can be built and installed. OK thomas.adam

libexec is a common path which is understood by autotools, and should be honoured. Patch from Christian "naddy" Weisgerber

This adds the capability to compile got-portable on FreeBSD.

Rather than having a toplevel EXTRA_DIST target in the toplevel Makefile.am file, move the relevant files to their own Makefile.am locations.

Add gotadmin to configure.ac, etc., so it can be built and installed. OK thomas.adam