v1.4.0

Changes on this release:

f0b4150 Implemented orchestration exporter with 2 new metrics
391ea1e Implemented database exporter with 3 new metrics
8532c4c fix test and metrics for cinder
2ff3efc Updated the config yaml file
187001d add project_id to openstack_container_infra_cluster_status
a5d0d67 fixes for comments
2814d4d add deprecated flag to readme
52ae37a fix typo in readme
adab1c3 (HEAD -> master, tag: v1.4.0, origin/master, origin/HEAD) Released version 1.4.0
f0b4150 Implemented orchestration exporter with 2 new metrics
391ea1e Implemented database exporter with 3 new metrics
8532c4c fix test and metrics for cinder
2ff3efc Updated the config yaml file
187001d add project_id to openstack_container_infra_cluster_status
a5d0d67 fixes for comments
2814d4d add deprecated flag to readme
52ae37a fix typo in readme
1718e26 return volume_status to readme
f2c5528 add deprecation
5b46925 fix tests and readme
2257fdd remove size from new metric
5bec6ba change volume_status to volume_gb
4b6dd99 [docker] remove s390x from excluded list
3bd6108 build: enable s390x arch
7348001 tests and README
2064bda add metric for router
a56faad fix up metric if service has metrics without fn
238b9e3 exclude volume_status from slow metrics (#171)
6dfd631 Add --disable-service for --multi-cloud (#169)
bfe19a4 Update CONTRIBUTORS.md (#168)
71000b9 Verify that volume.attachments != nil (#167)
d61212d add volume status description to README (#164)
02d0671 User server supported microversion when nova list services (#160)
de1b6c2 add sever_id for volume (#163)
659f214 add server_loca_gb metrics (#154)
4e1afae fix metrics for loadbalancer (#153)