* doc/api: Some additions
* libgphoto2/Makefile.am
* libgphoto2/gphoto2-library.c: Dummy file, needed by gtk-doc
* libgphoto2/gphoto2-camera.[c,h]: Updated documentation
git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@2680 67ed7778-7388-44ab-90cf-0a291f65f57c