Merge pull request #386 from ebraminio/master

Some cosmetic changes
Added order parameter to 'next' page
Merge pull request #388 from Murray65536/master

Choose reading order when using 'next' page
choose bookmarklet reading order
propagate exception message
simpler mark as read icon
trim empty headers to null (fix #378)
bookmarklet help styling
remove www from normalized url
feedburner special handling for normalization
cache unread count
continue with normalization even when the canonicalizer returns null
Newer version of moment.js from develop branch
Better favicon created using ImageMagick
little modification on ebraminio theme