* Menu storage changed from json to XML (because Qt 4 does not support json)
* C++11 for(object : container) construction changed to OCCT iterators / Qt foreach
* enum type::name changed to type_name
* non used class members removed
* Qt connect functions changed to macros version
* warning 4127 disabled for Q_INIT_RESOURCE in VS2010 / Qt 4 case
* widgets parent problem on Qt 4 fixed
* QRegularExpression changed to QRegExp
Added Qt sample OCCTOverview providing examples of use of OCCT API with relevant code and demonstration of results in the viewer.
Off-topic: some unused images are removed from dox/introduction/images/
