Update SharePoint 6.2 doc with renamed app

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 6.2.x
• Component/s: Collaboration & Productivity
• Labels: None
• Git Pull Request: https://github.com/sez11a/liferay-docs/pull/2983

The existing Liferay SharePoint Connector app is being renamed "Liferay Connector for SharePoint." Update the 6.2 docs to reflect this.