into the top-level directory since others have expressed interest in it.
Also updated it to look at the DWWW_LANG environment variable (thanks
Gerfried) and to be a bit more lenient on the syntax of the
translation-check files.

CVS version numbers

check_desc_trans.pl: INITIAL -> 1.1 
swedish/MailingLists/desc/check_desc_trans.pl: 1.3 -> 1.4(DEAD)