We ended up not needing the underlying QMimeData-based implementation, as the classes sitting on top of it
bypassed it anyway. It now treats the hierarchy as a pure data storage mechanism, generating the
QMimeData when drag-drop is initiated.
Kept "mime type" and "id" conceptually separate in the interface in case they need to diverge later.
Got rid of the odd "wxChar *" variants and the QString one.
Implemented unimplemented "type" functions.
Implemented "!=" in terms of "==", to keep from having two places to keep in sync.
There are no longer any qt headers included in wx/qt headers.
Applications do not need to link with qt librarys anymore, only wxqt libraries.
wxWindow and derived widgets only contain one pointer to their qtwidget, no longer
carrying both base and derived pointers in parallel as was before.
This merges in the latest sources from GSoC 2014 wxQt project with just a few
minor corrections, mostly undoing wrong changes to common files in that branch
(results of a previous bad merge?) and getting rid of whitespace-only changes.
Also remove debug logging from wxGrid.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77455 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
