Feature: Add support for Tomcat

[righettod]

Describe the feature wanted

Add the support for the analysis of a Tomcat app server using the associated CIS referential.

TODO list:

• 1 - Implementation of validation rules based on the corrsponding CIS referential.
• 2 - Create the associate positive and negative test cases.

[righettod]

@drabaly There is a bug in the following unit test for Tomcat: