[ENHANCE] Product preview colors.
[FIX] URL edition.
[FIX] definitionCollections key in I18nManager
[FIX] Model name in onPopulatePathRule
[NEW] Some enhancements and fixes in URL panel.
[DELETE] metaTitle, description and keyword properties from StaticPage (use DocumentSeo for SEO)
Merge pull request #455 from intportg/dev

Dev