Merge the tip of origin/release/proposed/2019.2.0 into origin/release/2019.2.0

bbc85563 Add ARCHIVE_RECLASS_INVENTORY parameter to upgrade-mcp-release job Partial-bug: PROD-36641 Change-Id: Iaca1fa54b46ab496e45fbfa07d811c9b9f963121
a56b26c5 Update docker images
959de35e Create a jenkins job for pre-upgade checking
54fd8f37 Update vkhlyunev ssh key
41d858c7 Bump prometheus-es-exporter to v0.14.0
c940dcb8 Bump telegraf Docker image to 2019.2.17

Change-Id: Ic9289a74137dcb19bd825923b06b94d891babc87