Translations:Release notes 017/5/en

It's been almost 2 years since the previous 0.16 release, but the FreeCAD team didn't stay idle during that time. Nearly 6,700 revisions were added to FreeCAD's source code. For comparison, this is more than three times the work done between v0.16 and 0.15! Most existing workbenches benefited from improvements, and two completely new workbenches were added. New additional modules were also developed by the community. Some of the highlights: