Add note with attribution for Indubitably fonts.
Replace INDUBITA web fonts with an ASCII subset downloaded from FontSquirrel

Using a limited subset reduces the size of the fonts to download.
Inherit font styles in inputs
Upgrade CC-BY license to version 4.0 (Unported -> International)
Add CC-BY 4.0 license file
Update placeholder year to 2014 and version date to today
Merge branch 'master' into gh-pages