Some realSense pluged in

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37286 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Reverting changeset 37280 #4707

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37287 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4707 - fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37288 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4708 support Vectors in CAS View (with Giac ggbvect[] syntax)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37289 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e