git-svn-id: svn://172.19.108.123/yysec/trunk/gofluent@2297 7ef3bcf2-fb9a-444a-897f-2debf83a3c19
remove things unnecessary

git-svn-id: svn://172.19.108.123/yysec/trunk/gofluent@2298 7ef3bcf2-fb9a-444a-897f-2debf83a3c19
git-svn-id: svn://172.19.108.123/yysec/trunk/gofluent@2638 7ef3bcf2-fb9a-444a-897f-2debf83a3c19
Merge branch 'master' into svn

git-svn-id: svn://172.19.108.123/yysec/trunk/gofluent@2639 7ef3bcf2-fb9a-444a-897f-2debf83a3c19
import other files

git-svn-id: svn://172.19.108.123/yysec/trunk/gofluent@2640 7ef3bcf2-fb9a-444a-897f-2debf83a3c19
improve performance with sync_interval

git-svn-id: svn://172.19.108.123/yysec/trunk/gofluent@2652 7ef3bcf2-fb9a-444a-897f-2debf83a3c19
Merge branch 'master' into HEAD

git-svn-id: svn://172.19.108.123/yysec/trunk/gofluent@2658 7ef3bcf2-fb9a-444a-897f-2debf83a3c19
fix the bug when depth is not accurate
improve out_forward with buffer_chunk_limit
improve out_mongodb
update config