Fixed Layout.from_values, now capitalizes sanitized paths
Fixed Layout.from_values, now capitalizes sanitized paths

Closes Issue #128 involving sanitized latex labels causing
Elements being dropped from the Layout

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