added debug/ and debug/debug.h
debug/ -> debugmsg/
improved DebugMsg class : documentation + QStringList
improved DebugMsg class : no more calls to qDebug()
fixed DebugMsg::~DebugMsg() which uses now qDebug()
add debugmsg.cpp
added 2 options : DEBUG_MESSAGES_TO_CERR and STORE_DEBUG_MESSAGES
modified debugmsg.* : improved documentation; updated 2win32_static/dipylon.pro
Merge branch 'feature30' into dev