Whitespace c
cleaning up some whitespace...
Added youtube &end parameter as requested in http://wordpress.org/support/topic/how-to-specify-start-and-end-for-youtube-videos
Added option for only showing videos when is_single() is true
Remove hardcoded protocols as requested in http://wordpress.org/support/topic/fix-for-videos-over-ssl
Some readability cleanup
pre 1.9.1 readme and spacing changes