Changed MathJax reference to use https
Changed MathJax reference to use https

ioam/holoviews,basnijholt/holoviews,mjabri/holoviews,mjabri/holoviews,basnijholt/holoviews,mjabri/holoviews,vascotenner/holoviews,vascotenner/holoviews,vascotenner/holoviews,ioam/holoviews,ioam/holoviews,basnijholt/holoviews