LPS-43009 Add DynamicCSSFilter (just copy and paste portal class)
LPS-43009 Resolve DynamicCSSFilter dependencies
LPS-43009 Check the correct filter preference
LPS-43009 Use the servletContext of the portal
LPS-43009 Overwrite Dynamic CSS Filter
LPS-43009 Add RTLCSSUtil (just copy and paste)
LPS-43009 Resolve RSSCSSUtil dependencies
LPS-43009 Serve RTL CSS for RTL languages