ME_GC_HOOK_EVENT - hook for the incoming chat events

git-svn-id: http://svn.miranda-ng.org/main/trunk@8202 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
insignificant changes

git-svn-id: http://svn.miranda-ng.org/main/trunk@8203 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
removed unneeded option (fixes #590)

git-svn-id: http://svn.miranda-ng.org/main/trunk@8204 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c