* app/widgets/gimppreviewrenderer-utils.c
* app/widgets/gimppreviewrenderer-utils.h
* app/widgets/gimppreviewrendererbrush.c
* app/widgets/gimppreviewrendererbrush.h
* app/widgets/gimppreviewrendererdrawable.c
* app/widgets/gimppreviewrendererdrawable.h
* app/widgets/gimppreviewrenderergradient.c
* app/widgets/gimppreviewrenderergradient.h
* app/widgets/gimppreviewrendererimage.c
* app/widgets/gimppreviewrendererimage.h
* app/widgets/gimppreviewrendererimagefile.c
* app/widgets/gimppreviewrendererimagefile.h
* app/widgets/gimppreviewrendererlayer.c
* app/widgets/gimppreviewrendererlayer.h
* app/widgets/gimppreviewrenderervectors.c
* app/widgets/gimppreviewrenderervectors.h: Renamed all these files...

* app/widgets/gimpviewrenderer-utils.c
* app/widgets/gimpviewrenderer-utils.h
* app/widgets/gimpviewrendererbrush.c
* app/widgets/gimpviewrendererbrush.h
* app/widgets/gimpviewrendererdrawable.c
* app/widgets/gimpviewrendererdrawable.h
* app/widgets/gimpviewrenderergradient.c
* app/widgets/gimpviewrenderergradient.h
* app/widgets/gimpviewrendererimage.c
* app/widgets/gimpviewrendererimage.h
* app/widgets/gimpviewrendererimagefile.c
* app/widgets/gimpviewrendererimagefile.h
* app/widgets/gimpviewrendererlayer.c
* app/widgets/gimpviewrendererlayer.h
* app/widgets/gimpviewrenderervectors.c
* app/widgets/gimpviewrenderervectors.h: ... to these names. And also
  changed all the GimpPreviewRenderer* types to GimpViewRenderer* ones.

* app/tools/gimppaintoptions-gui.c

* app/widgets/Makefile.am
* app/widgets/gimpcomponenteditor.c
* app/widgets/gimpfiledialog.c
* app/widgets/gimpgradienteditor.c
* app/widgets/gimpview.c
* app/widgets/widgets-types.h
* app/widgets/gimpviewrenderer.c
* app/widgets/gimpviewrenderer.h: modified accordingly.