Start development of version 0.6dev
qmake: add new CONFIG option "no_ruby" to disable use of ruby in qmake files (via system(ruby ...))

To be used like this :
$> qmake  CONFIG+=no_ruby  PATH/qmake/fougtools.pro

The revision number is left unknown (see variable _REV_NUM in qmake/fougtools.pro)
fougtools.pri: minor style changes
qttools_core: add utility QSignalMapperTools
qttools_core: fix needless "QString -> char* -> QString" conversion in Log::~Log()