travis-ci: print system date and ls -l configure to help with debugging
travis-ci: print system date and ls -l configure to help with debugging

Print the system date and "ls -l configure" to help with debugging
the sane build system check failure.

gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2