add .gitignore and gbp.conf

.gitignore

@@ -0,0 +1,18 @@
+aclocal.m4
+autom4te.cache/
+build/
+buildlib/config.guess
+buildlib/config.sub
+configure
+debian/copyright
+doc/de/
+doc/es/
+doc/fr/
+doc/it/
+doc/ja/
+doc/pl/
+doc/pt/
+doc/pt_BR/
+doc/examples/sources.list
+marks.bzr
+marks.git

debian/gbp.conf

@@ -0,0 +1,3 @@
+[DEFAULT]
+prebuild = ./prepare-release pre-export
+postbuild = ./prepare-release post-build