added Galician translations thanks to Pedro Abalo
fixed #322. added option to disable using a range.
fixed navigating to a different month and/or year
checkpoint
improved date enabling/disabling
Slovenian translations thanks to Jernej
enabling and disabling dates/times fixed with some tests
docs updated
Merge branch 'edge' into dev
Added Icelandic translation
`off` method + disabling overlapped date/time ranges
docs + demos
Merge pull request #333 from Reiknistofa/is-translation

Add Icelandic translation
icelandic translations
travis fix attempt
travis fix attempt
travis fix attempt
travis fix attempt
demo styling updated
Fixes issue in IE if date is set programmatically on start