Revert "WelcomeScreen: Changing the "Getting Started Now" button url"

wrong branch

This reverts commit c3e675064c167eee79c04837015641f5af20a012

Change-Id: I2a24c89e4953e69057b8e125a4be18410ee6005b
Reviewed-by: Alessandro Portale <alessandro.portale@digia.com>