Release Notes of v1.11.5

Refer to #341 for detailed updates.

This is a minor release, including:

Improvements on Capacity Unit

#339, XiaoMi/rdsn#261

HTTP memory profiling support

XiaoMi/rdsn#225

Shell & Tools(sample/bench/redisproxy) updates

Support of JSON ouput in shell: #329, #290, XiaoMi/rdsn#254, XiaoMi/rdsn#223

Support exact match : #303

Upgrading from the previous version

[pegasus.collector]
--  cu_stat_app = stat
--  cu_fetch_interval_seconds = 8
++  usage_stat_app = stat
++  capacity_unit_fetch_interval_seconds = 8
++  storage_size_fetch_interval_seconds = 3600