Make sure CAS does not kill browsers without Float64Array support

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29765 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3735: making LaTeX sizes as large as text sizes, and fixing the arising problems for most of the cases

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29766 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Moved pointer event handling to HTML5

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29768 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e