Added proxy weighting #2012
Added note about breaking comparator compatibility with equals and made returned list immutable #2012
Tweaked ProxyInfo to use a default weight of 0 - this points to that #2012
Added another fallback to the mix #2012
mistakenly committed
Added tests for percentages #2012
Merge pull request #2063 from getlantern/2012

Added proxy weighting #2012