0.10.0 -> 0.11.0

Upgrade configuration files

0.9.0 -> 0.10.0

Upgrade TsFile from 000001 to 000002

upgrade mlog, append ,,, behind each create timeseries log

Add system.properties

Upgrade configuration files

0.8.0 -> 0.9.0

User profile

Last Updated on November 14th, 2019 by EJTTianYu.

PR#	Name	Author	Changes
299	Turn watermark-demo into watermark feature	LeiRui	Add watermark in the end of the profile.

Upgrading Log

Last Updated on November 14th, 2019 by EJTTianYu.

PR#	Name	Author	Changes
467	[IOTDB-294]online upgrade from v0.8.0 to current version	EJTTianYu	Add upgrade/upgrade.txt in the system dir to record the upgrading process.