Add AUR package blacklist updater (aurblup).

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>

scripts/aurblup/README

@@ -0,0 +1,27 @@
+aurblup
+=======
+
+aurblup is a small and leightweight tool that updates the package blacklist of
+an AUR MySQL database using one (or more) package databases. It does the
+following things:
+
+- Sync a bunch of local package databases with a remote server.
+
+- Get a list of packages in those databases.
+
+- Update the MySQL blacklist table to match those packages.
+
+Requirements
+------------
+
+You need the libalpm and libmysqlclient header files to build aurblup.
+
+Installation
+------------
+
+Edit the "config.h" (copy from "config.h.proto" if doesn't exist) and
+"config.mk" configuration files to match your setup and enter the following
+command to build and install dwm:
+
+	make install
+