Remove physics loader simulator and show a repeating video player ins…

…tead

Remove physics loader simulator and show a repeating video player ins…

…tead

Remove physics loader simulator and show a repeating video player ins…

…tead

Remove physics loader simulator and show a repeating video player ins…

…tead

Remove physics loader simulator and show a repeating video player ins…

…tead

add preference to match the original video's fps in the generated gif

update demo png

fix bug where switching away from the app while a conversion task was…

… running would mess up the progress display

continous fps textview updating, metadata experiments

Update README.md