Configure git-buildpackage, fix debian version for non-native packages

debian/changelog

@@ -1,4 +1,4 @@
-libosmocore (0.3.1) osmo-experimental; urgency=low
+libosmocore (0.3.1-1) osmo-experimental; urgency=low
 
   * New upstream version of libosmocore
 

debian/gbp.conf

@@ -0,0 +1,18 @@
+# Configuration file for git-buildpackage and friends
+
+[DEFAULT]
+# point to non-existing default 'upstream' to only build from tagged versions
+upstream-branch = upstream
+debian-branch = debian
+upstream-tag = %(version)s
+debian-tag = debian/%(version)s
+pristine-tar = False
+
+# Options only affecting git-buildpackage
+[git-buildpackage]
+export-dir = ../gbp-build-area/
+# compress with bzip2
+compression = bzip2
+# use best compression
+compression-level = 9
+

debian/libosmocore-dbg.debhelper.log

@@ -1,6 +0,0 @@
-dh_auto_configure
-dh_auto_build
-dh_auto_test
-dh_prep
-dh_installdirs
-dh_auto_install