[doc] introduce fake environment for items
[doc] add first draft Context layer
[fontloader] sync with Context as of 2014-03-14
[fontloader] fix node mode

See http://www.ntg.nl/pipermail/ntg-context/2014/077372.html
[doc] actually patch node mode correctly (Thanks, Hans\!)
Merge pull request #205 from phi-gamma/texlive2014

sync; context setups for manual (alpha)