Removed getKernel() from ExpressionValue

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37738 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Wraping touch event added to Pointer Event

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37739 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e