EZP-22443: replace interleaving to make external interleaving possible
EZP-22443: implement schemas for template tags
EZP-22443: implement transformations for template tags
EZP-22443: add template tags test fixtures
EZP-22443: added embed templates
EZP-22443: added tag templates
EZP-22443: implemented Renderer
EZP-22443: removed EmbedRenderer and Embed converter
EZP-22443: implemented Render converters
EZP-22443: removed wrapper from XSL transformation
EZP-22443: updated field type configuration
EZP-22443: added default template configuration
EZP-22443: strenghten test
EZP-22443: added Template Render Converter tests
EZP-22443: make content template variable optional
Fixed outdated docblock comments
EZP-22443: add inline param for renderTag method
EZP-22443: removed unneeded temporary variable
EZP-22443: fixed rendering of nested template tags
EZP-22443: fixed CS