Install bash completion for glanceclient

This installs the new bash-complete file in the standard location,
alongside the rest of the completion files:

    /etc/bash_completion.d/glance.bash_completion

Change-Id: I2944c47d857f7125f370b2b1ee041d1282db09c5

lib/glance

@@ -290,6 +290,7 @@ function install_glanceclient {
     if use_library_from_git "python-glanceclient"; then
         git_clone_by_name "python-glanceclient"
         setup_dev_lib "python-glanceclient"
+        sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-glanceclient"]}/tools/,/etc/bash_completion.d/}glance.bash_completion
     fi
 }