[TASK] Fix links in TYPO3.Welcome template
[TASK] Fix links in TYPO3.Welcome template

This fixes some links still pointing to forge.type.org.

Change-Id: I68f72a9d08080001226a079a5fa7baa120cfb65c
Releases: master, 2.3, 2.2

neos/flow-welcome,kdambekalns/flow-welcome,kdambekalns/flow-welcome,neos/flow-welcome