xF2 Add-on [SC] Twitter Widget 2.0.0 Fix 1

Update of the add-on to version 2.0.0 Fix 1:

• This version of the add-on requires version 2.1.0 Beta 1 and higher of XenForo.
• Fix a non-functional style property: Scrollbar (@AlexM #20)
• Modification of the Setup.php file.

Update of the add-on to version 2.0.0:

• This version of the add-on requires version 2.1.0 Beta 1 and higher of XenForo.
• Now options are style properties in order to be able to modify the widget more easily.
• A Changing the name of the add-on: [SC] Twitter Page in SideBar -> [SC] Twitter Widget

Note: if you are running XenForo 2.1+ and you have an older version of this add-on you must uninstall it to install this new version.

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