Cleans up the About Modules CSS file (mainly paddings) and terminology
to distinct between "TYPO3" (Association) and "TYPO3 CMS" product
within copyright notices.

Standardize CSS ids to use the extension key (aboutmodules).
Also adds links to the module descriptions to jump to module.
Brings one further logo image to comply with new brand definition.

Only applies to the extbase version of AboutModules.

Resolves: #41980
Releases: 6.0, 4.7
Change-Id: Iba088c5d644dfc048ea9c65e72711d501b51ae59
Reviewed-on: http://review.typo3.org/15610
Reviewed-by: Philipp Gampe
Tested-by: Philipp Gampe
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn