Bumped up year version.
Basic sample of data filtering.
Basic dataFilter structure plus configuration loading.
Cachable CKEDITOR.tools.clone and fixed docstr.
Filtering elements - part 1/N.
Validate classes, attrs and styles.
Fixed allowedContent regexp pattern and prevented internal data-cke- attributes removal.
Minor fix.
Minor improvement.
Plugins now add their requirements to allowed content.
Added more features to dataFilter rules to suit more existing cases.
Bumped up year version.