Merge pull request qiniu#81 from qiniu/develop

merge develop to master

Merge pull request qiniu#67 from wonderflow/fixfix

fix convert encoding && add timeoffset for csv

up to v1.2.1

add grok parser check

Merge pull request qiniu#36 from wonderflow/logkitconfig

add logkit template config

Merge pull request qiniu#23 from qiniu/develop

dev to master