[dev-context] dependencies

[Taco Hoekwater]

Changes up to the latest beta (an hour ago):

texfont.pl:
* now creates dvips and dvipdfmx map files also
* --lm switch uses lm encoding files
* afmtotfm commandline simplified

kpse.rb has expand-path fixes/sanitizations
ctxtools.rb now uses kpse.rb
ctxtools.rb dependency analyzer rewritten
own ruby lib path discovery changed


In the tex files:
* some register safeguards
* math matrix cleanup
* new macro: \somekindoftab
* \newlinechar = 10 throughout the source now
* cow symbols extended
* russian encoded typescripts re-enabled (t2a,b,c & x2)
* fixed t-bib
* \beginMETATEX compile-time support for luatex (and new file syst-mtx)
* new macro \dorandomrecurse
* float caption code cleanup
* columnset balancing code cleanup
* new macro \newconstant
* lots of small changes from e.g. \....commando (dutch)  to
   \...command (english)
* file loading order reshuffled
* some macros moved to other source files
* new toks register: \everycurrentdate
* version 2006.08.16 10:59
* french welcome message translation

Greetings, Taco