* redo page render following the logic of:
Response ─┬─> TextResponse ─> TextResponseImpl
└─> TemplateResponse ─> TemplateResponseImpl
* split up giant files, one per response path
* caching becomes a trait, implemented where necessary
* TextResponses (Ajax) can now be cached
* make use of previously defined php classes for js objects
* Tabs, Listview, Tooltip, Announcement, Markup, Book, ...
* \Aowow\Template\PageTemplate is the new class to be cached
* do not discard error messages generated after vars have been sent to template
and store in session for display at a later time
* implement tracking consent management
* move logic out of template into their respective endpoints
* allow defining a time span during which the box should be displayed
* added fields optional fields to point to diffenret header and home logos for the duration
* show terms in quicksearch-box, when performing searches
* use trim() after urldecode() to catch urlencoded whitespaces
* check for empty search terms (wich occur with multiple adjacent whitespaces)
- partially implemented site reputation (required to grant privileges to comments)
- reworked 'home'-page (the news-box is now as configurable as you want)
- removed some ancient compatibility-code for IE67 (srsly, its 2014!)
- dropped associated stylesheets, reviewed the rest
- split some user-restrictions to trigger on insufficient siteRep
- added text-page: Markup-Guide
- implemented new class to handle Markup
- bugfixes [TM]
- also you will need to reapply the db-dumps (you may want do save account*, news,
reports, ..)
- reviewed and used objects PageTemplate and Locale
- removed associated workarounds
- replaced ~12k tabs with ~48k spaces
- fixed some localization errors
- whoops, forgot to update some Util::$pageTemplate calls to $this
