Exposed recreate_columns method to allow programmatic column recreation (e.g. content loaded via AJAX call).
Merge branch 'feature/expose-recreate_columns' of github.com:skakri/salvattore into skakri-feature/expose-recreate_columns

Conflicts:
	dist/salvattore.js
	dist/salvattore.min.js
	src/salvattore.js
Merge branch 'skakri-feature/expose-recreate_columns'