build: temporary revert to autotools (#174)

As long as cmake doesn't generate suitable deb packages, we need to
switch back :(

Makefile.am

@@ -0,0 +1,20 @@
+#
+#
+#
+PACKAGE		= @PACKAGE@
+VERSION		= @VERSION@
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = libmbus.pc
+
+
+docdir = $(datadir)/doc/$(PACKAGE)-$(VERSION)
+dist_docdir = $(DESTDIR)$(docdir)
+doc_DATA = README.md \
+           COPYING \
+           hardware/MBus_USB.pdf \
+           hardware/MBus_USB.txt
+
+SUBDIRS		= mbus bin
+ACLOCAL		= aclocal -I .
+ACLOCAL_AMFLAGS = -Werror -I m4