[add] upgrade slf4j

git-svn-id: https://spf4j.googlecode.com/svn/trunk@481 d408096a-aa36-d13b-a661-48d75a76e993
[add] performance optimizations + graphite measurement store.

git-svn-id: https://spf4j.googlecode.com/svn/trunk@482 d408096a-aa36-d13b-a661-48d75a76e993
[add] graphite TCP writer + bug fix

git-svn-id: https://spf4j.googlecode.com/svn/trunk@483 d408096a-aa36-d13b-a661-48d75a76e993
[fix] timestamp was not saved

git-svn-id: https://spf4j.googlecode.com/svn/trunk@484 d408096a-aa36-d13b-a661-48d75a76e993
[fix] pool implementation cleanup + resilient graphite writers

git-svn-id: https://spf4j.googlecode.com/svn/trunk@485 d408096a-aa36-d13b-a661-48d75a76e993
[fix] pool implementation cleanup + resilient graphite writers

git-svn-id: https://spf4j.googlecode.com/svn/trunk@486 d408096a-aa36-d13b-a661-48d75a76e993
[add] use better proto maven plugin

git-svn-id: https://spf4j.googlecode.com/svn/trunk@487 d408096a-aa36-d13b-a661-48d75a76e993
Merge branch 'master' of https://github.com/zolyfarkas/spf4j