Fixed #654 (changelog list)

Changelog list is now available for entire content type listings, and
for a global list.

/changelog - show all content types
/changelog/pages - show everything for content type 'pages'
/changelog/pages/2 - show only changes for page #1
Changelog pagination
Strict virable fix.
Whitespace fix in template
Strict variable checking
Fix issues where info texts didn't properly default to english.
Make sure extensions is set for "file" fieldtype
Strict variable fixes.
Bugfix in ajaxy autocomplete for files.
CSS-fix: add a bit of margin to labels.
Exclude "bolt\Application" from Krumo traversing.
Cleaned up record.twig a bit.
Some more strict variable checking.
Bumping version number
Don't print the record in the default template, since it exposes the paths.
Don't caculate weights for empty taxonomies.
Escaping..