* include/gphoto2-frontend.h
* libgphoto2/frontend.c
* camlibs: gp_frontend_progress -> gp_camera_progress,
gp_frontend_status -> gp_camera_status
git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@2436 67ed7778-7388-44ab-90cf-0a291f65f57c