[Toaster] filtering tasks by order

[Ravi Chintakunta]

Hi Belen,

>  >
>  >
>  >>  Having said that, I am very much open to change. If people do
>  agree
>  >>  that
>  >>  filtering tasks by their execution order is not useful, let's get
>  rid
>  >>  of
>  >>  that filter.
>  >>
>  >
>  >Yeah, let's wait for comments from others.
>  >
>  >

I have not implemented filtering tasks by execution order in my latest commit. The base code includes displaying filtering options only as radio buttons. 

I have also not implemented "Show all tasks" button in the tooltip for the active filter icon.

Also, can you let me know the css for the active filter icon tooltip.

Thanks,
Ravi

Also, please let me know the style to use for the active