logic: code controller communication

- Replaced CodeAccess with LocationAccess.
- Implemented basic functionality for CodeController.
- Added messaging to the project.
- Added QtThreadedFunctor to enable our Messaging thread to invoke calls on the QtThread.
- Added GraphController.

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src/lib/data/Storage.cpp

@@ -173,6 +173,16 @@ void Storage::logLocations() const
 	LOG_INFO(str.str());
 }
 
+Token* Storage::getToken(Id tokenId)
+{
+	return m_graph.getTokenById(tokenId);
+}
+
+TokenLocation* Storage::getTokenLocation(Id locationId)
+{
+	return m_locationCollection.findTokenLocationById(locationId);
+}
+
 Edge::AccessType Storage::convertAccessType(ParserClient::AccessType access) const
 {
 	switch (access)