PostProcessor working: nested FBO won't work, use FrameBufferManager

work_files/usermanuals/romapidoc/api_machine.tex

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+The Machine API provides means to control the host machine.
+
+\section{Functions}
+
+\begin{tabularx}{\textwidth}{l l X}
+	\textbf{\large Function} & \textbf{\large Return} & \textbf{\large Description}
+	\\ \\
+	\endhead
+	machine.milliTime() & int & Returns how many time the machine is up, in milliseconds (one thousandth of seconds).
+	\\ \\
+	machine.totalMemory() & int & Returns the total size of the memory installed in the computer, in bytes.
+	\\ \\
+	machine.freeMemory() & int & Returns the amount of free memory on the computer.
+\end{tabularx}