OCAF testing framework extending

Branch CR24869 is created.
In addition script "test_section" is attached to the current bug (to be used by QA).
Review it, please.

Reviewed.

Dear Commenter 1,

Branch CR24869 (and products from GIT master) was compiled on Linux, MacOS and Windows platforms and tested.
[revision removed]

Number of compiler warnings:

occt component :
Linux: 18 (18 on master)
Windows: 0 (0 on master)
MacOS: 410 (410 on master)

products component :
Linux: 12 (12 on master)
Windows: 2 (2 on master)

Regressions/Differences:
No regressions/differences

Testing cases:
http://occt-tests/CR24869-master-occt/Debian60-64/bugs/caf/bug24869.html
http://occt-tests/CR24869-master-occt/Windows-32-VC9/bugs/caf/bug24869.html
bugs caf(015) bug24869: OK

Testing on Linux:
Total MEMORY difference: 355471148 / 355845808
Total CPU difference: 51638.279999999926 / 55266.979999999734

Testing on Windows:
Total MEMORY difference: 379344092 / 381847264
Total CPU difference: 35719.484375 / 43088.34375

There are no differences in images found by testdiff.