KAPPA: Correct confusing use of FACTOR.

Also brought code to agree with SUN/95.  It had been using FACT not
FACTOR.
pubs: Paper and poster from ADASS 2012 on ACSIS bad-baseline removal in ORAC-DR.
docs: SC/21 Version 1.2.

Major revision.  Changes include:

  * separate and expanded section on post processing;
  * new section on using the science pipeline;
  * new section on displaying masks;
  * new section on map provenance and configuration files
    (outlines KAPPA and SMURF commands for comparing and inspecting configuration
    parameters);
  * new section on SKYLOOP;
  * new section on pipeline recipes;
  * new appendix on matched filter;
  * moved the data-calibration section to the appendix;
  * new cosmology example using the advanced pipeline;
  * four new and three revised figures;
  * relocated some figures;
  * added new configuration parameters;
  * detailed documentation of configurationparameters;
  * added warning concerning historic FCF values and a new
    section on how to determine FCF values;
  * expanded and updated commentary on the various standard
    dimmconfigs, how to find the recipe name asociated with raw data,
    and default MAKEMAP parameters;
  * new advice on processing blank field maps and high-pass filtering;
  * added links including to PICARD recipes, SMURF tasks,
    SCUBA-2 papers and Herschel Science Archive;
  * updated KAPPA and SMURF version numbers for Hikianalial;
  * removed .eps from includegraphics;
  * typo's corrected; and
  * removed old commented content.

MJC contributed to this commit.
SMURF: Update version number in the documentation.