[TASK] Installer: Ask for username during initial setup

Good security-practice is to choose a username different
than "admin".

Change-Id: Ib4a70b491f1f9a9112b8cd37db43664186d7192d
Resolves: #50949
Releases: 6.2
Reviewed-on: https://review.typo3.org/22982
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
[TASK] EXT: beuser remove spaces from links

Removes excessive spaces from within links / a-tags.

Change-Id: Ica8b6d365282dc3a0e6588a5099404c6b4bc7c73
Resolves: #51016
Releases: 6.2
Reviewed-on: https://review.typo3.org/23048
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
[TASK] Visual feedback on hover: spot text links

Text links are not spotted easily. Give TYPO3 an easy visual feedback
for text links on hover. Hover on table rows also pumps up text links.

Change-Id: Ie255df54a5c556160f0e0826c87ff6425907bcb0
Resolves: #50997
Releases: 6.2
Reviewed-on: https://review.typo3.org/23019
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
[BUGFIX] Reposition TYPO3 logo text

Brings logo text "TYPO3" in line with module menu text.

Change-Id: Ief21e7ded4f8085e2f661304b55861211f202955
Resolves: #51015
Releases: 6.2
Reviewed-on: https://review.typo3.org/23047
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters