Release 3.4.0

Major release

New features:

• EFM 4.2 support (Vibhor Kumar @vibhorkumar123)
• Update /etc/hosts and hostname when setting the use_hostname variable to true (Julien Tachoires @jt-edb)
• use_hostname default value is set to true (Vibhor Kumar @vibhorkumar123)
• HammerDB support for AzureDB (Mark Wong @mw2q)

Improvements:

• using hostname with barman deployment (Julien Tachoires @jt-edb)

Bug fixes:

• #180 (Julien Tachoires @jt-edb)