add package gtkimageview
package gtkimageview: suppress -Werror and add test program
package gtkimageview: add update macro
add packages cfitsio and lensfun
package lensfun: add missing include
package cfitsio: add test program
package lensfun: add pkg-config file and test program
packages cfitsio lensfun: add update macro placeholder
package gtkimageview: suppress warnings more selectively
package wxwidgets: disable specific compiler error in test program