GH-1060 implement very basic updater (only linux and maybe osx right now)

logic/updater/DownloadTask.h

@@ -35,6 +35,9 @@ public:
 	/// Get the directory that will contain the update files.
 	QString updateFilesDir();
 
+	/// Get the list of operations that should be done
+	OperationList operations();
+
 	/// set updater download behavior
 	void setUseLocalUpdater(bool useLocal);
 
@@ -61,6 +64,8 @@ protected:
 
 	Status m_status;
 
+	OperationList m_operations;
+
 	/*!
 	 * Temporary directory to store update files in.
 	 * This will be set to not auto delete. Task will fail if this fails to be created.