reiserfsprogs: remove autoconf-generated files

These files change every time configure.in or Makefile.am is changed,
we can autogenerate them when exporting a tarball.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>

.gitignore

@@ -0,0 +1,21 @@
+INSTALL
+Makefile.in
+aclocal.m4
+config.guess
+config.sub
+configure
+depcomp
+config.h.in
+install-sh
+missing
+aclocal.m4
+autom4te.cache
+tags
+.pc
+Makefile
+.deps
+config.log
+config.status
+include/config.h
+include/credits.h
+include/stamp-h1