Redesign of Visualisation user guide's structure with some changes in the guide.
Update Draw_test_harness user guide. Added dimension commands to DRAW test harness.
Update of prerequisites and building 3rd party tools sections
Move VIS draw tests to Draw Test Harness section.
Additionally, fix bugs 24117 and 25353.
Correct output of new imaged in PDF in modeling algos guide and errors introduced by bug 24699 in the overview.
Command gendoc improved to:
- generate Reference Manual documentation (OCCT classes reference) with option -refman; option -overview can be used for generation of overview documentation;
- generate PDF documents for all User Guides automatically (for files listed in FILES_PDF.txt);
- check availability of third-party tools (Doxygen, Inkscape etc.) and properly report warnings and errors.
- use templates of configuration files for third-party tools instead of their generation. These template files are located in dox/resources folder
Tcl scripts are moved from dox folder to adm.
Doxygen warnings are eliminated.
Moved all auxilary functions to occaux.tcl.
Fixed Reference manual generation on *nix platform.
Fixed PDF generation on *nix platforms.
