Revert "added FFMPEG encoder detection"

This reverts commit 49519e26cf74da08d5a9732d10df42701c953381.
Revert "os x tweaks"

This reverts commit 82fdb9986d1d7287830f46f09576264138edff11.
Revert "readme update"

This reverts commit 32709d31b9ec8709f8a61176ae3e765abee694b8.
Revert "added stop import option"

This reverts commit 82ebc149f2e7c081e37b87a14ea2180550b81241.
Revert "changes for OS X"

This reverts commit d76b75b5cb27927a0a89e3938689497441e2e00d.
test