mGerrit Changes (Adjusting Comments Layout + Adding Linkify)

This shouls make reading comments a bit more easy on the eyes... I tried
out dividers first, but seeing as the Comments aren't actually ListViews,
it came out looking a bit weird some of the time. I personally like the way
they look as is; looks a bit like conversation/chat bubbles... I'm always
open to suggestions though!

PS2: Do I get a prize for fixing tabs and whitespace issues before Jonathan
	catches them? Inb4 "Reply: 'Done'" xD

PS3: Missed a whitespace

PS4: I am Superunicorn and whitespace is my Kryptonite..

PS5: Added Linkify for JBird :)

PS6: Whitespace

Change-Id: I992f7567d3d0cf5c78c6847db8b54ccbfc9cf90e