Access field should allow "yes" placeholders to be overridden (#2213)
Update translations
update maki sprite
Fix inline tag help for fields that handle multiple tags

Some preset fields like the access-restriction field manage
multiple tags at once (access=*, foot=*, bicycle=*, …). Then
iD wasn't able to show inline help when clicking the ⓘ button.

This introduces a new parameter for these kind of fields:
`referenceKey` determines the tag key which should be used to
search taginfo documentation for.

Fixes #2222.
Make field reference more flexible

Will need to support {"rtype": "restriction"} for turn
restriction field.
Trim tag keys, and prevent duplicate tag keys (#2043)
Update regexp, and remove trim from old key..
Use match rather than split
Merge branch 'bhousel-bhousel-fields'