All src files of JSXGraph have to be included into `core.deps.json`.
Not included by purpose are the folowing files:

    'jsxgraphnode.js'
    'loadjsxgraph.js'
    'math/bst.js'
    'parser/jessiescript.js'
    'reader/cinderella.js'
    'reader/geogebra.js'
    'reader/geonext.js'
    'reader/graph.js'
    'reader/intergeo.js'
    'reader/sketch.js'
    'reader/tracenpoche.js'
    'themes/dark.js'
    'themes/gui.js'

