Merge pull request qiniu#918 from wonderflow/tools

add charset converter

Merge pull request qiniu#896 from wonderflow/op1

es type变为高级选项 && 去除tsdb选项

Merge pull request qiniu#807 from wonderflow/fixa1

remove one line

Merge pull request qiniu#797 from redHJ/fixDirxRead

fix dirx can't read data when one match dir is empty

Merge pull request qiniu#780 from redHJ/schemaConvert

schema非法字符转换

Merge pull request qiniu#738 from redHJ/diskSize

1. 增加选项：磁盘使用总大小限制和写入磁盘的单条数据大小限制 2. 调整reader顺序

Merge pull request qiniu#670 from Unknwon/daemon-reader-start-sql

reader/sql: improve status check and implement DaemonReader

Merge pull request qiniu#602 from redHJ/rawdata

1. close reader 2. raw data with mock meta

Merge pull request qiniu#549 from wonderflow/release1

release portal

Merge pull request qiniu#503 from wonderflow/fixdata

修复cloudtrail 同步文件夹重名的问题；修复inode重复问题；修复cloudtrail同步文件不断全量追加问题