[SHR-Today] Accept call without unlocking

[Vikas Saurabh]

Hi,

Quite often when I get a call, all I see is the locked screen. Now,
what I would expect is to able to accept the call without actually
unlocking the phone.
Can we have another slider like control with slider thumb in between.
Moving the slide to left accepts the call and moving it to the right
rejects it.

--Vikas

PS: I had a look at the TODO list in git(
http://github.com/slyon/today/blob/b279a6af85352de0ca9db4ac3c1f4f06e086ed8b/TODO)
and this didn't appear there