Corrections to Porto admin_level=6 administrative boundary, added border_type to some ways.

Revision of one of Castelo de Paiva ways.

Revised and added missing administrative boundaries to Aveiro admin_level=6 division. Deleted one empty node, changed a way's admin_level to 8.

Fixed wrong administrative division's way.

Revised and added missing administrative boundaries to Viseu admin_level=6 division. Deleted one duplicated way.

Corrections to Guarda admin_level=6 multipolygon.

Corrections to Guarda admin_level=6 multipolygon.

Revised and added missing administrative boundaries to Guarda admin_level=6 division. Deleted erroneous CORINE data and duplicated ways.

Turned Selvagem Grande into a multipolygon.

Fixing unconnected segments.

Revised Porto admin_level=6 administrative border minus coastline. Removed duplicated ways.

General fixings including adding source and border_type tags.

Revised Bragança admin_level=6 administrative border. Removed duplicated ways.

Revised Braga admin_level=6 administrative border. Simplified some ways and turned some features into multipolygons.

Added missing ways to multipolygon.

Revised Viana do Castelo admin_level=6 administrative border. All of the objects being eliminated are either features that I made a multipolygon off, double or even triple overlapping of ways with the same features and a lot of way simplification.

Revised Corvo and Flores. Work on Açores Autonomous Region should be finished.

Revised Faial administrative limit and added admin centre to Santa Maria. Removed some place=island tags in administrative relations.

Revised administrative boundaries of Faial, Graciosa, Pico and São Jorge. Removed place=island tag in São Miguel)

Revised the coastline and administrative boundaries of São Miguel and Santa Maria islands. Simplified two islets.