initial commit of libosmo-abis

still many things to get fixed
diff --git a/include/Makefile.am b/include/Makefile.am
new file mode 100644
index 0000000..c94d3ee
--- /dev/null
+++ b/include/Makefile.am
@@ -0,0 +1,3 @@
+noinst_HEADERS=mISDNif.h internal.h lapd.h
+
+SUBDIRS=osmocom