fixed temporary files cleanup during runtime
added temporary files cleanup on start and exit
"boosted" code instead of winapi in some places
//TODO: "boosted" process management (it will provide more convenient way to control process and work with pipes, it also should be faster because currently loops with sleep interval used)

git-svn-id: http://svn.miranda-ng.org/main/trunk@3428 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c