EZP-23059: prepare settings for semantic configuration
EZP-23059: implement semantic config for RichText tags and embeds
EZP-23059: removed unnecessary default embed config
EZP-23059: introduced FieldType parser
EZP-23059: extract method and fix info strings
EZP-23059: add test fixtures for custom RichText XSL stylesheets
EZP-23059: tested default RichText config
EZP-23059: fixed inline comment
Merge pull request #905 from ezsystems/fix-EZP-23059-richtext-semantic-config

Fix EZP-23059: RichText embeds and template tags are missing semantic configuration