Set value type for Textarea to "TEXT".

This should fix http://issues.umbraco.org/issue/U4-5063
Fixed typo "loaction".

Replaced "icon-map-loaction" with "icon-map-location".
Merge branch '7.1.5' of https://github.com/Nicholas-Westby/Umbraco-CMS into Nicholas-Westby-7.1.5
Merge branch 'Nicholas-Westby-7.1.5' into 7.2.0