downloadable font: kern: Too large subtable, table discarded

The issue seems to be with Open Sans subset itself.

Downloading from Font Squirrel seems to fix the validation of the font

Fixes #474, #387, #367

Fixes #549 - vt7: jQuery validation error reported

Fixes #570 - Vt7 Comments(Roll up)

# Conflicts:
#	modules/Users/views/Calendar.php

axisFormat has been removed in v3 of fullcalendar. Please use slotLabelFormat instead. See this: https://fullcalendar.io/docs/agenda/axisFormat/

Fixes #526 - Google package update in schema