Add CAS login button plugin
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This plugin adds a button to allow users to login to Chamilo through CAS authentication.

In order for the plugin to work, you'll have to:

* enable your CAS connection to display this button
* configure your CAS connection to have the button work
* go to Administration > Configuration settings > CAS and follow the instructions

This plugin has been made to be added in the login_top region, but you can put it wherever you want.