Added bound to number of HTTP redirects, and prevented redirect loops.
auto merge of #1562 : wowus/servo/master, r=metajack

Is there a central configuration module which I can query for max_redirects?
Make Node::{remove, insert} take a descriptive enum for suppress_observers instead of a boolean.
auto merge of #1582 : saneyuki/servo/1569, r=Ms2ger

retry: #1581

this will fix #1569
layout: Profile layout damage propagation and group "style recalc" (as
WebKit calls it) into one supercategory in the profiler
auto merge of #1587 : pcwalton/servo/profile-damage, r=larsbergstrom

WebKit calls it) into one supercategory in the profiler.

r? @larsbergstrom