update implementations

gofmt

add Baidu map link in readme

go fmt

frenchapigouv : trimSpace for properties setled from a splited string (…

…codingsince1985#58)

Added new French API Gouv geo provider

Use go modules

Merge pull request codingsince1985#34 from manolovl/add-structured-ad…

…dress

Add structured address

Merge pull request codingsince1985#27 from codingsince1985/httptest

Httptest

MapQuest Nominatim service requires a key now

code clean up