ENH : metadatainterface into factory : work in progress

Code/IO/otbIkonosImageMetadataInterface.cxx

Code/IO/otbIkonosImageMetadataInterface.h

Code/IO/otbImage.h

Code/IO/otbImage.txx

Code/IO/otbImageMetadataInterface.cxx

Code/IO/otbImageMetadataInterface.h

Code/IO/otbImageMetadataInterfaceBase.h

Code/IO/otbQuickBirdImageMetadataInterface.cxx

Code/IO/otbQuickBirdImageMetadataInterface.h

Code/IO/otbSpotImageMetadataInterface.cxx

Code/IO/otbSpotImageMetadataInterface.h

Code/IO/otbVectorImage.h

Code/IO/otbVectorImage.txx

Testing/Code/IO/CMakeLists.txt

Testing/Code/IO/otbIOTests17.cxx

Testing/Code/IO/otbImageMetadataInterfaceNew.cxx

Testing/Code/IO/otbImageMetadataInterfaceTest.cxx

Testing/Code/IO/otbImageMetadataInterfaceTest2.cxx