doc/translator.py -- coloured status in HTML

The "almost up-to-date" category of the language translator classes
introduced. Together with the background colouring (green, yellow, pink,
red), it is mostly the psychological move towards language maintainers :)
doc/language.tpl -- UTF-8 reflected in the langhowto template
doc/language.doc generated from the updated sources (bgcolored)
Merge branch 'master' of https://github.com/doxygen/doxygen.git

Conflicts:
	doc/language.doc
Merge pull request #34 from pepr/master

Enhanced visualization of the TranslatorXxxx status.