new header to isolate Miranda from windows.h

git-svn-id: http://svn.miranda-ng.org/main/trunk@9977 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Explanation text for PU changed

git-svn-id: http://svn.miranda-ng.org/main/trunk@9978 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
PU resource cosmetics (by person)
- langpacks/english: update;
- langpacks/russian: update;

git-svn-id: http://svn.miranda-ng.org/main/trunk@9979 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
langpacks: update according to [9978], [9979]

git-svn-id: http://svn.miranda-ng.org/main/trunk@9980 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c