data: database storage

* replaced storage by a new version that utilizes sqlite for persistence.
* added SqliteStorage to manage direct access to the database.
* added testsuit for sqlite.
* slimmed down the protected interface of the storage.
* changed tests in StorageTestSuit to avoid using protected methods of the storage.
* added functions to begin and commit a transaction to the storage.
* removed GraphFilterTestSuite.
* removed GraphFilterConductorTestSuite.
* added Node and Edge constructor that takes id as parameter
* added constructor for TokenComponentNameCached that accepts NameHierarchy as parameter
* added TokenLocation constructor that takes locationId as parameter.
* created respective construction functions in TokenLocatonLine, -File and -Collection.

fortune cookie message = Recognition will come from unexpected sources.

src/lib/data/parser/cxx/TaskParseCxx.cpp

@@ -14,7 +14,8 @@ TaskParseCxx::TaskParseCxx(
 	const Parser::Arguments& arguments,
 	const std::vector<FilePath>& files
 )
-	: m_parser(client, fileManager)
+	: m_client(client)
+	, m_parser(client, fileManager)
 	, m_arguments(arguments)
 	, m_files(files)
 {
@@ -24,6 +25,8 @@ void TaskParseCxx::enter()
 {
 	m_start = utility::durationStart();
 
+	m_client->prepareParsingFile();
+
 	m_parser.setupParsing(m_files, m_arguments);
 
 	for (const FilePath& path : m_parser.getFileRegister()->getUnparsedSourceFilePaths())
@@ -80,6 +83,8 @@ void TaskParseCxx::exit()
 {
 	FileRegister* fileRegister = m_parser.getFileRegister();
 
+	m_client->finishParsingFile();
+
 	MessageFinishedParsing(
 		fileRegister->getParsedFilesCount(),
 		fileRegister->getFilesCount(),