monte real train station improvements: platforms

leiria train station improvements: platforms, tracks, landuse=railway

marinha grande train station improvements: platforms, tracks

martingança train station improvements: platforms, tracks

s martinho porto, valado train station improvements: separated landuse areas, platforms

caldas da rainha train station improvements: separated landuse areas, tags

deleted spurious highway=pedestrian areas, caldas da rainha

added area=yes to railway=platform (necessary according to wiki)

updated shops and buildings, baixa de coimbra

updated shops, celas

harmonised tags, fixed some gaps in route relation, A 1 and A3 motorways

removed exit_to from some highway exit nodes, tag is obsolete

+ restaurante atravessado

+ network=CP Regional/CP Lisboa/CP Porto/CP Longo Curso added to train routes

order of segments small fixes, train routes lx->porto/braga

deleted train routes Alfa Pendular Lx<=>Guimarães, this service does not exist

completed train route Intercidades Lx<=>Guimarães

added train route Intercidades Lx<=>Guarda

updated route platforms at sta apolónia, ic lx=>porto

updated route platforms at pampilhosa, cp regional coimbra=>guarda