wok log doxygen/receipt

age author description
2011-03-29 Christopher Rogers Up: doxygen to 1.7.4.
2011-01-17 Antoine Bodin Fix: doxygen needs flex to compile
2010-02-16 Rohit Joshi add/improve TAGS d* receipts
2008-10-05 Pascal Bellard Update some BUILD_DEPENDS
2008-10-05 Pascal Bellard Add doxygen