quick access to message actions

[funkatron]

We need to implement some kind of quick access to message actions, so you don't have to go to the detail view to do things like reply, RT and favorite. A couple ideas:

1. click & hold to bring up a popup menu
2. swipe to bring up a popup menu
3. swipe to open up a "drawer" under the message with icons for actions

I did start on some icons for #3, but I think the menu might be a more flexible option