New helper script svgdiff.bat is added in adm folder.
It can be used for enabling visual diff for SVG images in TortouseGit; see Git guide for details.
Minor corrections in documentation (dev guides)
Finalized brep_wp guide (by DLN); entirely removed non-PNG images to provide smooth PDF generation; Restored cross-guide links in Technical overview; small improvements and editing in GIT guide.
Resized some images to better fit on PDF pages.