Czech langpack: fixes (thanks petule)

git-svn-id: http://svn.miranda-ng.org/main/trunk@7922 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Gadu-Gadu protocol
- Fix setting own avatar (implement gg10.5 version method because existing method stoped working, fixing some bugs in oauth procedure) 


git-svn-id: http://svn.miranda-ng.org/main/trunk@7923 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c