Configure bash completion

Add bash completion rules to the /etc/bash_completion.d from the
 cinder, neutron, keystone, nova and nova-manage.

This is very fast operation and makes the cli usage easier.

Change-Id: Icdcdaf55d58efaaa1afe25fd55f088bf7dc8b3f1
diff --git a/lib/nova b/lib/nova
index 842c098..bb9bca2 100644
--- a/lib/nova
+++ b/lib/nova
@@ -645,6 +645,7 @@
 function install_novaclient() {
     git_clone $NOVACLIENT_REPO $NOVACLIENT_DIR $NOVACLIENT_BRANCH
     setup_develop $NOVACLIENT_DIR
+    sudo install -D -m 0644 -o $STACK_USER {$NOVACLIENT_DIR/tools/,/etc/bash_completion.d/}nova.bash_completion
 }
 
 # install_nova() - Collect source and prepare
@@ -682,6 +683,7 @@
 
     git_clone $NOVA_REPO $NOVA_DIR $NOVA_BRANCH
     setup_develop $NOVA_DIR
+    sudo install -D -m 0644 -o $STACK_USER {$NOVA_DIR/tools/,/etc/bash_completion.d/}nova-manage.bash_completion
 }
 
 # start_nova_api() - Start the API process ahead of other things