Pulled up more stuff to get getBase64 working

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24567 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Hit label only if in front

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24568 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
New icons for style bars

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24569 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Save <auxiliary val="false"/> in XML when geo is e.g. segment child of a polygon algo

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24570 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
getBase64(callback) works in Touch

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24574 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e