initial checkin of osmo-remsim

This adds some initial code, particularly the ASN.1 definition of the
RSPRO protocol, related makefile to build it using ffasn1c, and our
usual autoconf infrastructure to build it.

Change-Id: Ibaa993b59e9a65a0242b0f42b27d9cd29f8e1878
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..9832b58
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,15 @@
+AUTOMAKE_OPTIONS = foreign dist-bzip2
+
+SUBDIRS = src include
+
+EXTRA_DIST = asn1 .version README.md
+
+pkgcofigdir = $(libdir)/pkgconfig
+
+@RELMAKE@
+
+BUILT_SOURCES = $(top_srcdir)/.version
+$(top_srcdir)/.version:
+	echo $(VERSION) > $@-t && mv $@-t $@
+dist-hook:
+	echo $(VERSION) > $(distdir)/.tarball-version