Doc: Document development tools setup on different Linux distros

Document the packages to install on different Linux distros
in order to fulfill the basic requirements for application
development using the Qt installers.

Task-number: QTBUG-37293
Change-Id: I82f48f0ae48abbb75547b3ae5b4d9dfd94184f1d
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
Reviewed-by: Sze Howe Koh <szehowe.koh@gmail.com>
Doc: add link to Scalability topic

Add the link to topics that describe UI development
with Qt Quick.

Change-Id: Ib44e61f480d6417cec230bf9122a36af4c260749
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>