[gracolli] Set signal handlers to default

Signed-off-by: Anton D. Kachalov <mouse@yandex-team.ru>
[fsmgracoll/agent] Add Graphite class to send metrics to graphite-sender. Add `collector' routine to process through configurations

Signed-off-by: Anton D. Kachalov <mouse@yandex-team.ru>
[fsmgracoll] Get more things working

Signed-off-by: Anton D. Kachalov <mouse@yandex-team.ru>
[setup.py] Add `gracolly' script

Signed-off-by: Anton D. Kachalov <mouse@yandex-team.ru>
Typo fix

Signed-off-by: Anton D. Kachalov <mouse@yandex-team.ru>