langpacks: update according to [9026], [9032], [9041], [9046]

git-svn-id: http://svn.miranda-ng.org/main/trunk@9085 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
translation improvements

langpacks/russian: update

git-svn-id: http://svn.miranda-ng.org/main/trunk@9086 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
decapitalization (these names are shown in VersionInfo reports)

git-svn-id: http://svn.miranda-ng.org/main/trunk@9087 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
updated german langpack: Added Steam.txt, minor additions and corrections

git-svn-id: http://svn.miranda-ng.org/main/trunk@9088 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c