Moving ugsc.io to https

Merge pull request #10 from grahamc/patch-2

Moving u.gsc.io to https

Update URL for Gscio shortener adapter.

Merge pull request #9 from grahamc/patch-1

Gscio: Use updated URL shortening API

Update dependencies to ~2 of Phergie bot, ~3 of Url.

3.0.0

Update copyright year.

Url Shorten 2.0.0

• Updated to work with (and require) 2.x of Url plugin
• Dropped support for PHP 5.4.

1.0.1

• Fixed composer.json to avoid using dev-master for Url Plugin (it has BC breaks).
• Updated Url Plugin composer name.