Update maintainers and doap file

This project could really use some help (triaging bugs about
missing cities, mostly, but also implementing the geocode and
geoclue support), so let's make sure we don't appear dead.
Updated Brazilian Portuguese translation
Add a number of new cities

- China [#721446, dujiulun2006]
  * Jinan

- Ireland [#720871, Sergey V. Udaltsov]
  * Athlone
  * Bray
  * Carlow
  * Carrick on Shannon
  * Castlebar
  * Cavan
  * Clonmel
  * Drogheda
  * Dundalk
  * Ennis
  * Galway
  * Kilkenny
  * Lifford
  * Limerick
  * Longford
  * Monaghan
  * Mullingar
  * Naas
  * Navan
  * Nenagh
  * Newbridge
  * Portaloise
  * Roscommon
  * Sligo
  * Swords
  * Tallaght
  * Tralee
  * Trim
  * Tullamore
  * Waterford
  * Wexford
  * Wicklow

- Italy [#720777, Pierpaolo Vittorini]
  * L'Aquila
  * Pescara (corrected)

- Russia [#723434, Artem]
  * Rybinsk
  * Yaroslav

- Slovakia [#722301, riko442]
  * Dubnica nad Váhom
  * Martin
  * Nové Zámky
  * Partizánske
  * Prešov
  * Ružomberok
  * Spišská Nová Ves
  * Svidník
  * Trenčín
  * Žilina
Release 3.11.5
Post release version bump to 3.11.90
Updated Hebrew translation.
Updated Greek translation
updated kn.po
Updated Spanish translation
Added Scottish Gaelic translation
Updated Scottish Gaelic translation
Updated Galician translations