various memory allocation problems fixed

git-svn-id: http://svn.miranda-ng.org/main/trunk@10006 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
fix for correct info panel closing

git-svn-id: http://svn.miranda-ng.org/main/trunk@10007 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
AVS: no need to rebuild the whole control for the same contact

git-svn-id: http://svn.miranda-ng.org/main/trunk@10008 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
default sub should be changed only on the incoming events

git-svn-id: http://svn.miranda-ng.org/main/trunk@10009 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
if sub setting doesn't change the active sub, no event should be fired

git-svn-id: http://svn.miranda-ng.org/main/trunk@10010 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
hide avatar in the info panel if there's nothing to display

git-svn-id: http://svn.miranda-ng.org/main/trunk@10011 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Langpack Polish: partial update

git-svn-id: http://svn.miranda-ng.org/main/trunk@10012 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
c files renamed to cpp

git-svn-id: http://svn.miranda-ng.org/main/trunk@10013 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c