data: bookmark refactoring

* implemented handling of aggregations in bookmarks
* split index Storage and bookmark storage
* each sqlite database has its own version now
* added bookmark tests
* fixed creating bookmark tables when project can be loaded but bookmark db does not exist
* fixed font size for bookmarkview tooltips
* using bookmark cache now
* using default category name when none specified by the user
* raising bookmark windows when they should be shown
* clearing a bookmark or category in the editor will now update the star icon accordingly
* non-persistent bookmarks use ids of nodes and edges now (instead of names)
* git ignore .srctrlbm files

src/lib/project/Project.cpp

@@ -193,10 +193,12 @@ void Project::load()
 	}
 
 	const FilePath projectSettingsPath = m_settings->getFilePath();
+
 	const std::string dbExtension = (projectSettingsPath.extension() == ".coatiproject" ? "coatidb" : "srctrldb");
 	const FilePath dbPath = FilePath(projectSettingsPath).replaceExtension(dbExtension);
+	const FilePath bookmarkPath = FilePath(projectSettingsPath).replaceExtension("srctrlbm");
 
-	m_storage = std::make_shared<PersistentStorage>(dbPath);
+	m_storage = std::make_shared<PersistentStorage>(dbPath, bookmarkPath);
 
 	bool canLoad = false;
 
@@ -212,7 +214,6 @@ void Project::load()
 	else if (m_storage->isEmpty())
 	{
 		m_state = PROJECT_STATE_EMPTY;
-		m_storage->setup();
 	}
 	else if (m_storage->isIncompatible())
 	{
@@ -230,6 +231,8 @@ void Project::load()
 		canLoad = true;
 	}
 
+	m_storage->setup();
+
 	m_sourceGroups = SourceGroupFactory::getInstance()->createSourceGroups(m_settings->getAllSourceGroupSettings());
 	if (!m_sourceGroups.empty())
 	{