multiple inaccuracies in the linux install docs

Documentation requires JDK 8 and release notes requires JDK 11

Docu is missing images

Document using an event to trigger an import of a requisition

Provide JavaDoc with the documentation for the model and helper classes

replace outdated script source example

The documentation about how to start PRIS is outdated

Release Notes

Update maven asciidoctor plugin from 0.1.4 to 1.5.0

Improve the quality of the documentation

write 1.1.1 release notes

Using categorymap with OCS source is incomplete

Warnings for include scriptsteps: file not found

File and folder structure does not fit

Create migration guide for 1.0.x to 1.1.x

Documentation for Script Steps

overview and documentation has to be cleaned up

Document null-mapper and echo-mapper

Scripts section is empty

General Driver description is not filled

Document parameters of jdbc source

Create a tutorial for configuring a requisition to import Host- and Virtual Machines from vCenter 5.5

Create documentation for VMware-Guest-Source

Create documentation for VMware-Host-Source

Split documentation for driver, sources and mapper

Cleanup mapper and script documentation

Create example configuration for OpenNMS provisiond

Create distribution management source to deploy documentation to a web server

Examples should be complete and meaningfull

Documentation does not give a complete list for possible asset mapping