Add releaser configuration.

releaser.conf

@@ -0,0 +1,14 @@
+name: "dulwich"
+news_file: "NEWS"
+pypi: "dulwich"
+timeout_days: 5
+update_version {
+  path: "setup.py"
+  match: "^dulwich_version_string = '(.*)'$"
+  new_line: "dulwich_version_string = '$VERSION'"
+}
+update_version {
+  path: "dulwich/__init__.py"
+  match: "^ __version__ = \((.*)\)$"
+  new_line: "__version__ = $TUPLED_VERSION"
+}