- 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/user/tricsman

@@ -345,6 +345,7 @@ H H L
 %html histogram.htm 2
 %html nextrics.htm 2
 %html peaksearch.htm 2
+%html lowmax.htm 2
 %html trscan.htm 2
 
 %html psddata.htm 1