Merge pull request globocom#272 from globocom/RedisReadOnlyInstances

Redis read only instances

reordering mongo 32 single instance upgrade

Merge branch 'master' into improve_database_details_ux

Database project can be empty

Change zabbix version to 0.4.22

Fix change master function

Limit max read hosts by configuration (default is 5)

Snapshots list only active snapshots to restore

Fixing upgrade when infra has two disks(restore)

Update credential version 1.1.12 to 1.1.13, removing NFSaaS, Statsd, …

…Lognit and LaaS