improved support for streets with no suffix, such as "broadway"

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this PR resolves the issue discussed in #140

it works by:

• modifying the dictionaries as discussed in the issue description
• adding a new classification for street proper names
• updating the street composite classifier config to re-classify street_proper_name+street_suffix and street_proper_name as street
• added a bunch of tests and tuned the dictionaries accordingly

no regressions, cc @kochis
resolves #140

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The build is was failing because Circle-CI has been removed from this project but it still thinks it's active.
I've just removed the webhooks for CircleCI and TravisCI, so it's fixed for next time, this one will require a manual admin override.

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@Joxit are "Esplanade/Esplanades" common street types in French?
If not we could remove these too:

git grep -i esplanade
...
resources/libpostal/dictionaries/fr/street_types.txt:esplanade|esp
resources/libpostal/dictionaries/fr/street_types.txt:esplanades|esps

another one we might consider removing?

resources/whosonfirst/dictionaries/locality/name:fra_x_preferred.txt:broadway

[Joxit]

Yes, Eslplanade is a common street/place type in French, always in the singular (without s)
Some usage examples:

Esplanade de la Liberté
Esplanade du Géneral de Gaulle
Esplanade Méditerranée

Broadway can be safely removed 😄

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Removed locality/name:fra_x_preferred = Broadway via rebase.

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Removed libpostal/dictionaries/fr/street_types.txt = esplanades|esps via rebase.

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Thanks for those test cases, I had actually broken the street prefix Esplanade for French addresses 😱, but managed to fix them again after adding the examples 👍

[Joxit]

😅 nice !

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I think this is good to go @Joxit? It comes with a fair few test cases.

[Joxit]

LGTM