add infrastructure to be 6.3.0-ready
update version number
add fonts and a draft processing script
add experimental font manipulation script
Merge branch 'master' into fonts

Conflicts:
	Makefile
add next iteration of font mangler
complete font mangler

TODO: make it productive and add license and author infos
re-structure tools/fonts
refine font processing
iron out some fonts.process glitches
reenable EOT generation
add missing .htaccess to controllers/
restructure fonts.json and generate images from fonts, too
fail early and hard for POST requests

Do not allow PHP to get into any timeout. I hope, FCGI is clever
enough to respect the die() call before timing out.
rewrite the font generation

Actual block-wise fonts are yet missing.
restructure the way fonts are processed
create clean-up procedure to update font stuff incrementally
finetune fontprocessor logging
move block handling one level up for font processor
skip PU codepoints and fix bug in fonts.process