[TYPO3] htmlarea: add more styles

[tapio]

Felix Natter wrote:
> hello,
> 
> I'd like to add more styles to the htmlarea-rte. Currently
> I only have normal, heading1-6, preformatted and address.
> It'd be nice to have, for example "text1" and "text2" which
> would be mapped to <p class="text1">...</p> and <p class="text2">...</p>

These should be added to styles (which has for example 'deprecated') 
edit dynamic.css file
in addition classes should be marked as allowed classes