Removing max, min, because they're standard Twig tags now.
Removing round, ceil, floor filters, because they are standard twig tags now.
Merge branch 'master' of github.com:bolt/bolt
No .map needed in git.
No "bold" checkbox label. and formatting.
Allow checkboxes to stay unset. Fixes #1820
Better live-search in Extend page. Fixes #1822.