Rename flavour to element.

Flavour is overloaded in openstack due to it being used by nova. Element
seems to have the same feeling of combinability without using a term already
in active use in the openstack community.

Change-Id: Ia4c028d4062a8f69c66665821c94dd4bcdf06031

elements/local-config/install.d/61-http-proxy

@@ -0,0 +1,14 @@
+#!/bin/bash
+# Save the HTTP if one is available.
+# XXX: Obviously not suitable for downloadable images.
+
+set -e
+set -o xtrace
+
+if [ -n "$http_proxy" ]; then
+    if [ -d ~stack ]; then
+      echo export no_proxy=192.0.2.1 >> ~stack/.profile
+      echo export http_proxy=$http_proxy >> ~stack/.profile
+    fi
+    echo Acquire::http::Proxy \"$http_proxy\"; > /etc/apt/apt.conf.d/61-use-http-proxy
+fi

elements/local-config/install.d/62-ssh-key

@@ -0,0 +1,12 @@
+#!/bin/bash
+# Save user SSH public key if available.
+# XXX: Obviously not suitable for downloadable images.
+
+set -e
+
+if [ -e "/tmp/in_target.d/ssh-authorized-keys" ]; then
+    if [ -d ~stack ]; then
+      sudo -u stack mkdir ~stack/.ssh
+      sudo -Hiu stack dd of=~stack/.ssh/authorized_keys oflag=append conv=notrunc if=/tmp/in_target.d/ssh-authorized-keys
+    fi
+fi