Attempt at font scaling. Requires some modifications to the css to work right, only posts-view.css is updated.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Source/Settings and Theming/AwfulSettings.h
	Source/Settings and Theming/AwfulSettings.m
	Source/Settings and Theming/AwfulSettingsViewController.m

merged changes

updated email address
Updated font scaling to use UIStepper.

Not happy with the text label updating, it feels super sluggish, which means there's gotta be a better way but I am not super familiar with objc yet.
Merge branch 'master' of git://github.com/mrxzzy/Awful into mrxzzy-font-size
Reorder a couple settings.
Support device-specific max stepper values.
CSS tweaks.
Don't show font scale %.