Change all meta files
4chan x -> 4chan X
Readd 4chan-X.meta.js
Fix show-board-navigation button
Custom Board Navigation by default, remove custom nav warning
Whoops
Rice -> Advanced
Remove selectadvanced lol
Merge Zixaphir/v3
Merge branch 'v3' of git://github.com/zixaphir/appchan-x
Style fixes
Mayhem's unread scroll fixes
Update readme
Change QR keybinds
Merge branch 'master' of https://github.com/seaweedchan/4chan-x into v3

Conflicts:
	builds/4chan-X.js
	builds/4chan-X.user.js
	builds/crx/script.js