Bulgarian langpack: update

git-svn-id: http://svn.miranda-ng.org/main/trunk@5888 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
COM-related code rearranged

git-svn-id: http://svn.miranda-ng.org/main/trunk@5889 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
missing files

git-svn-id: http://svn.miranda-ng.org/main/trunk@5890 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
CList/UseGroups default value switched to true

git-svn-id: http://svn.miranda-ng.org/main/trunk@5891 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c