add auto-quit at end of file with autoplay
version 3, first commit
added install directive
removed default interleave
started docs
patched up notes display, scaling, and interleaving for multimonitor
removed borders
added option LockAspect for aspect ratio
filled pad/bars for locked aspect ratio
improved command line handling & flush unused events
fixed segfault on no file
fixed segfault on missing pdf
toggle fullscreen/override_redirect added
added support for action links