* Makefile.am, binaries.t, buildc.t, intro.t, nextstep.t, require.t,
sample.t, started.texi: General improvements and merge enough Ada
information to justify dropping the Ada specific manual. There is
likely still Ada specific information to merge though.
* SUPPORT, LICENSE: New files.
* Numerous files touched as part of merging the 4.5 branch
onto the mainline development trunk and ensuring that the
script that cuts snapshots and releases works on the documentation.
