NeverEndingReddit inbox icon - use /static/ images instead of volatile stylesheet
RES in general: add res-colorblind body class if colorBlindFriendly enabled.
NeverEndingReddit mail icon: use colorblind orangered if colorBlindFriendly enabled
NeverEndingReddit icon - point to redditstatic.com instead of reddit.com/static
Merge pull request #226 from andytuba/nremail-icon

NeverEndingReddit inbox icon - use /static/ images instead of stylesheet; use colorblind-friendly icon