maint: clean up top-level directory * build-aux/bootstrap: Rename from bootstrap. * build-aux/bootstrap.conf: Rename from bootstrap.conf. * build-aux/changelog.tmpl: Rename from changelog.tmpl. * build-aux/bootstrap.conf: Update for new file locations. * build-aux/common.mk: Rename from common.mk. * build-aux/diff-template: Rename from diff-template. * build-aux/mk-opts.pl: Rename from mk-opts.pl. * build-aux/mkinstalldirs: Rename from mkinstalldirs. * build-aux/move-if-change: Rename from move-if-change. * etc/CHECKLIST: Rename from CHECKLIST. * etc/HACKING: Rename from HACKING. * etc/NEWS.1: Rename from NEWS.1. * etc/NEWS.2: Rename from NEWS.2. * etc/NEWS.3: Rename from NEWS.3. * etc/OLD-ChangeLogs/ChangeLog: Rename from OLD-ChangeLogs/ChangeLog. * etc/OLD-ChangeLogs/ChangeLog.1: Rename from OLD-ChangeLogs/ChangeLog.1. * etc/OLD-ChangeLogs/doc-ChangeLog: Rename from OLD-ChangeLogs/doc-ChangeLog. * etc/OLD-ChangeLogs/libcruft-ChangeLog: Rename from OLD-ChangeLogs/libcruft-ChangeLog. * etc/OLD-ChangeLogs/liboctave-ChangeLog: Rename from OLD-ChangeLogs/liboctave-ChangeLog. * etc/OLD-ChangeLogs/scripts-ChangeLog: Rename from OLD-ChangeLogs/scripts-ChangeLog. * etc/OLD-ChangeLogs/src-ChangeLog: Rename from OLD-ChangeLogs/src-ChangeLog. * etc/OLD-ChangeLogs/test-ChangeLog: Rename from OLD-ChangeLogs/test-ChangeLog. * etc/PROJECTS: Rename from PROJECTS. * etc/README.Cygwin: Rename from README.Cygwin. * etc/README.Linux: Rename from README.Linux. * etc/README.MacOS: Rename from README.MacOS. * etc/README.MinGW: Rename from README.MinGW. * etc/README.Windows: Rename from README.Windows. * etc/README.devel: Rename from README.devel. * etc/README.ftp: Rename from README.ftp. * etc/README.gnuplot: Rename from README.gnuplot. * etc/README.kpathsea: Rename from README.kpathsea. * etc/README.mirrors: Rename from README.mirrors. * etc/README.snapshots: Rename from README.snapshots. * etc/gdbinit: Rename from gdbinit. * m4/acinclude.m4: Rename from acinclude.m4. * src/mkoctfile.cc.in: Rename from mkoctfile.cc.in. * src/mkoctfile.in: Rename from mkoctfile.in. * src/octave-config.cc.in: Rename from octave-config.cc.in. * src/octave-config.in: Rename from octave-config.in. * config.guess, config.sub, missing, octave-sh: Delete. * Makefile.am: Include build-aux/common.mk instead of common.mk. * examples/Makefile.am, libcruft/Makefile.am, liboctave/Makefile.am, liboctave/config-ops.sh, scripts/Makefile.am, src/DLD-FUNCTIONS/config-module.sh, test/Makefile.am, autogen.sh, doc/Makefile.am, doc/faq/Makefile.am, doc/icons/Makefile.am, doc/interpreter/Makefile.am, doc/interpreter/config-images.sh, doc/liboctave/Makefile.am, doc/refcard/Makefile.am, build-aux/common.mk, src/Makefile.am: Update for new file locations. * Makefile.am: Don't build mkoctfile or octave-config here. * README: Update INSTALL info. * build-aux/mkinstalldirs: Update to new version. * src/Makefile.am (mkoctfile, octave-config): New targets.