Add Ubuntu Wily (15.10) as a build-deb target

Signed-off-by: Andrew "Tianon" Page <admwiggin@gmail.com>

contrib/builder/deb/ubuntu-debootstrap-wily/Dockerfile

@@ -0,0 +1,14 @@
+#
+# THIS FILE IS AUTOGENERATED; SEE "contrib/builder/deb/generate.sh"!
+#
+
+FROM ubuntu-debootstrap:wily
+
+RUN apt-get update && apt-get install -y bash-completion btrfs-tools build-essential curl ca-certificates debhelper dh-systemd git libapparmor-dev libdevmapper-dev libsqlite3-dev --no-install-recommends && rm -rf /var/lib/apt/lists/*
+
+ENV GO_VERSION 1.4.2
+RUN curl -fSL "https://storage.googleapis.com/golang/go${GO_VERSION}.linux-amd64.tar.gz" | tar xzC /usr/local
+ENV PATH $PATH:/usr/local/go/bin
+
+ENV AUTO_GOPATH 1
+ENV DOCKER_BUILDTAGS apparmor selinux