Fixed typecast in Touch

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24732 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fixed stupid NPE (sorry, Touch team)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24733 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Make sure we can load images in Touch

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24737 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Make sure files load in correct size in Touch

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24739 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Export (Pstricks,Pgf,Asymptote) new barchart

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24740 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e