[LightDM] New releases

[Robert Ancell]

Just made some new releases.  Download files are no longer in
http://people.ubuntu.com/~robert-ancell/lightdm/releases/ but now in
the Launchpad project pages (e.g.
https://launchpad.net/lightdm/+download):

lightdm-gtk-greeter 1.1.1
    * Split out of lightdm source
    * Translate login prompts using the translations from PAM

lightdm-webkit-greeter 0.1.2
    * Update to work with newer LightDM