fix missing README, remove darcs cruft

.gitignore

@@ -44,6 +44,7 @@ configure
 config.*
 autom4te.cache
 INSTALL
+README
 aclocal.m4
 depcomp
 missing

ChangeLog

-Generated automatically by 'make darcs-dist'
+See https://github.com/stevengj/nlopt for a detailed version history.

Makefile.am

@@ -28,10 +28,9 @@ endif
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = nlopt.pc
 
-# Somewhat hackish.  The "right" way to do this is by a dist-hook target,
-# but then darcs check will fail because it doesn't run in the darcs
-# repository.
-darcs-dist: distdir
-	darcs changes --summary > $(distdir)/ChangeLog
-	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
-	$(am__remove_distdir)
+if MAINTAINER_MODE
+
+README: README.md
+	cp -f README.md $@
+
+endif

autogen.sh

@@ -16,6 +16,8 @@ done
 
 touch swig/nlopt.scm.in
 
+cp README.md README
+
 # paranoia: sometimes autoconf doesn't get things right the first time
 autoreconf --verbose --install --symlink --force
 autoreconf --verbose --install --symlink --force