- made fixes to hkl

- Introduced a help system
- introduced a module for handling automatic updates of files during
  long measurements
- Added a circular buffer and handling facilities to varlog
- Upgraded documentation


SKIPPED:
	psi/faverage.h
	psi/nxamor.tex
	psi/pimotor.h
	psi/pimotor.tex

doc/programmer/nxamor.tex

@@ -60,6 +60,8 @@ time-of-flight mode.
 \mbox{}\verb@----------------------------------------------------------------------*/@\\
 \mbox{}\verb@#ifndef NXAMOR@\\
 \mbox{}\verb@#define NXAMOR@\\
+\mbox{}\verb@#include <scan.h>@\\
+\mbox{}\verb@#include <HistMem.h>@\\
 \mbox{}\verb@@$\langle$namor {\footnotesize ?}$\rangle$\verb@@\\
 \mbox{}\verb@#endif@\\
 \mbox{}\verb@@$\diamond$