Merge pull request #665 from xiaohutai/master

Fix: search in tags
Merge pull request #666 from xiaohutai/master

Fix #660. Fix search when no taxonomies exist.
Update README.md

There's an outdated link in the readme
Merge pull request #667 from jadwigo/patch-1

Update README.md
Bumping version to 1.3 RC2
Added "round" filter, to complement ceil and floor.
Added the "Maintenance mode" check to a $app-error. Fixes #664.
Setting version to "1.3.0 final"
Tweaking descriptions in 'nut' commands.
Added 'is defined' for "strict_variables". Fixes #671
Updated Backbone to 1.1.0, added maps for Underscore and Backbone.
Added "save_files: false" option to config.yml.dist.
Replaced markdown in favor of https://github.com/erusev/parsedown . Fixes #668.
Fix when project root is not '..'
Fix: Variable "filtered" does not exist in "_sub_lastmodified.twig"
Merge pull request #677 from richardhinkamp/twig-filtered-fix

Fix: Variable "filtered" does not exist in "_sub_lastmodified.twig"
Merge pull request #676 from richardhinkamp/fix-webprofiler-projectroot

Fix when project root is not '..'
Bumping version number to '1.4 dev'