WMTS/WMS updates:

- larger precision in BBOX (WMS/WMS-C)
- keep GetCapabilities request or document for GetCapabilities request (WMTS)
- parse multiple image format and infoFormat elements in GetCapabilities response
- support diffent nestings of TileMatrixSetLink/TileMatrixSet
- case insesitive parsing of ResourceURL attributes

Author: jef-n

src/app/CMakeLists.txt

@@ -80,7 +80,6 @@ SET(QGIS_APP_SRCS
   qgsrastercalcdialog.cpp
   qgsrasterlayerproperties.cpp
   qgstextannotationdialog.cpp
-  qgswmssourceselect.cpp
   qgsshortcutsmanager.cpp
   qgssinglesymboldialog.cpp
   qgssnappingdialog.cpp
@@ -216,7 +215,6 @@ SET (QGIS_APP_MOC_HDRS
   qgsundowidget.h
   qgsuniquevaluedialog.h
   qgsvectorlayerproperties.h
-  qgswmssourceselect.h
   qgshandlebadlayers.h
 
   composer/qgsattributeselectiondialog.h