Implementing dynamic font size for Windows (tested on 8.1, maybe earlier versions require a more sophisticated way of reading the registry)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@38160 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
properties files and related resources automatically updated from ggbtrans

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@38161 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e