data: improvements on error management

* mark all files with errors as incomplete
* fix incomplete label in codeview tooltip not updated properly
* added setting for canceling indexing for files with fatal errors

src/lib/settings/ApplicationSettings.h

@@ -70,6 +70,9 @@ public:
 	int getIndexerThreadCount() const;
 	void setIndexerThreadCount(const int count);
 
+	bool getCancelIndexingOnFatalErrors() const;
+	void setCancelIndexingOnFatalErrors(bool enabled);
+
 	std::string getJavaPath() const;
 	void setJavaPath(const std::string path);