Put AbstractWrapper in project namespace

Requires exposing namespace through introspector

lib/introspector.cpp

@@ -523,6 +523,7 @@ void Introspector::addCommonContext()
     project.insert("version", projectVersion());
     project.insert("source", m_jsonFile);
     project.insert("date", QDateTime::currentDateTime());
+    project.insert("namespace", m_config->outputNamespace());
 
     Q_FOREACH (CodeWriter *c, m_codeItems) {
         c->addContext("qjsonIntrospect", qjsonIntrospect);

templates/abstractwrapper.h.project

 {% extends "header.template" %}
 
 {% block guardopen %}
-#ifndef INTROSPECTED_ABSTRACTWRAPPER_H
-#define INTROSPECTED_ABSTRACTWRAPPER_H
+#ifndef {{ project.namespace|upper }}_ABSTRACTWRAPPER_H
+#define {{ project.namespace|upper }}_ABSTRACTWRAPPER_H
 {% endblock %}
 
 {% block namespace %}
-namespace Introspected {
+namespace {{ project.namespace }} {
 
 template<class T>
 class AbstractWrapper {