Apple Design changes and Android Design changes

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26826 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Added documentation

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26827 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e