Make sure AV in Touch uses LaTeX, make sure sliders are visible in Touch when created using marble

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26266 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Prevent scrolling in AV when marble clicked

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26267 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
updated JLaTeXMath (issues 1152 \cong, 1153 \not, 1157 \cr, \text{}, 1162 \c) 

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26268 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] enable Giac for webstart

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26269 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
4.9.159.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26270 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e