* epson-desc.h
* sierra-desc.h
* sierra.h
* Makefile.am: add initial configuration support for epson
3000z through cam_desc. original code is still here for
other cameras which may rely on it (if any).
git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@4835 67ed7778-7388-44ab-90cf-0a291f65f57c