Improvements

[IOTDB-4230] Modify the start script for flexible startup: add iotdb.in.sh, add pid file
[IOTDB-4776] Change default storage group to root.__system in iotdb metric reporter
[IOTDB-4946] Show Deadband Process Info
[IOTDB-5025] Fix tag of metric in 0.13
[IOTDB-5128] Perfect the usage of -p pid, -v version feature for start-server.sh
[IOTDB-5232] Add Schema Memory Usage metric monitor

Bug Fix

[IOTDB-3624] Fix meet error when inserting data in SQL without timestamp
[IOTDB-4716] Fix the statistics of disk size in linux system in 0.13
[IOTDB-4738] Fix TsFile damaged after writing empty value pages
[IOTDB-4781] Fix the NOT LIKE value filter does not work
[IOTDB-4842] Fix String number inserting bug
[IOTDB-4938] Fix data are lost when meets exception storage group not ready
[IOTDB-4967] Fix slidingTimeWindow stops when encounter an empty window
[IOTDB-5136] NPE when use a null as username in session
[IOTDB-5184] Fix CompressionType ArrayIndexOutOfBounds
[IOTDB-5157] Fix "Invalid ID for ZoneOffset, invalid format:"
[IOTDB-5206] Fix when target file is deleted in Compaction exception handler and recover
[IOTDB-5225] Fix setting chunkPointNumLowerBound in IoTDBDescriptor
[IOTDB-5236] DeleteData Python API cannot work
[IOTDB-5253] Fix chunkMetadata mem metric
[IOTDB-5266] Fix seq file may be lost when selecting cross compaction task
[IOTDB-5281] Fix selecting deleted files in compaction
[IOTDB-5286] Fix target files should not be select to participate in other compaction task
[IOTDB-5307] Fix failed to get TsFile input of file: NoSuchFileException
[IOTDB-5311] Fix RunTimeException and NoSuchFile Exception when selecting files causing compaction scheduled thread to get stuck
[IOTDB-5346] Fix log error in MemtableFlushTask when recovering