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/data/IntermediateStorage.h

@@ -16,9 +16,11 @@ public:
 	virtual ~IntermediateStorage();
 
 	void clear();
-	void setFilesIncomplete();
 	size_t getSourceLocationCount() const;
 
+	void setAllFilesIncomplete();
+	void setFilesWithErrorsIncomplete();
+
 	virtual Id addNode(int type, const std::string& serializedName);
 	virtual void addFile(const Id id, const std::string& filePath, const std::string& modificationTime, bool complete);
 	virtual void addSymbol(const Id id, int definitionKind);