data: non-type- and template-template parameters

* name of template class now also contains type information on the template parameters (e.g. typename, class, bool, const std::string&, etc.)
* implemented handling of non-type template parameters and template template parameters.
* implemented lots of tests for these features.

src/lib/data/Storage.cpp

@@ -532,12 +532,12 @@ Id Storage::onTypeUsageParsed(const ParseTypeUsage& type, const ParseVariable& v
 	return edge->getId();
 }
 
-Id Storage::onTemplateArgumentParsed(
+Id Storage::onTemplateArgumentTypeParsed(
 		const ParseLocation& location, const std::vector<std::string>& argumentNameHierarchy,
 		const std::vector<std::string>& templateNameHierarchy)
 {
 	log(
-		"template argument",
+		"template argument type",
 		utility::join(argumentNameHierarchy, "::") + " -> " + utility::join(templateNameHierarchy, "::"),
 		location
 	);