3.1.2

Bumped version. Updated CHANGELOG.md.

3.1.0

Swapped `@content.foo` for `(content "foo")`.

Bumped minor version.

Added missing files.

Bumped major version.

Bumped version and updated changelog.

Merge branch 'master' of github.com:shannonmoeller/handlebars-layouts

Conflicts:
	README.md

Version bump.