TS clean-up: TYPO3.Neos:Content prototype changes moved to TypoScript/Neos/Content.ts2
Fixes TS-106: ContentCollection renders/inherits parent node attributes, which causes double rendering of html attributes
TS-100 TS-109: Code clean-up: AbstractDevBase, AbstractDevCustomLook, AbstractDevCustomTag

* Neos original node templates moved to Templates/Neos
* Also relates to TS-101: changes from fragment to fragmentId and AbstractNavSailingType mixin (AbstractNavFragmentId, AbstractNavMagellanSupport)
TS-94: UI groups order: fixes some issues with Grid group order