scale circles with multitouch-events (web and touch)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32587 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Bugfix for StyleBar (Touch)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32588 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e