Bacularis-API 4.0.0

This is a new major Bacularis release. It provides in the install wizard a new
capability to install and configure complete Bacula environment to work
with Bacularis.

Changes:

• Add to initial wizard capability to install and configure complete Bacula
  environment to use with Bacularis
• Initial wizard visual improvements
• Make /jobs/run endpoint job parameters as optional
• Update API documentation