Facebook: Fix not to load offline multi chat messages to single contacts

git-svn-id: http://svn.miranda-ng.org/main/trunk@8781 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Facebook: Add hidden setting for "Naseem's spam mode", where we ignore outgoing messages sent from other instances

To enable it, add byte key "NaseemsSpamMode" with value 1

git-svn-id: http://svn.miranda-ng.org/main/trunk@8782 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Facebook: Oops, don't let evil memory leak in Naseem's mode to eat all your memory

git-svn-id: http://svn.miranda-ng.org/main/trunk@8783 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
DbChecker.bat is back to archives baby!

git-svn-id: http://svn.miranda-ng.org/main/trunk@8784 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Czech langpack: update

git-svn-id: http://svn.miranda-ng.org/main/trunk@8785 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
langpacks/polish update

git-svn-id: http://svn.miranda-ng.org/main/trunk@8786 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
translation fix

git-svn-id: http://svn.miranda-ng.org/main/trunk@8787 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c