Correct java path

This version fixes:

# /opt/tomcat/bin/catalina.sh run
Using CATALINA_BASE:   /opt/tomcat
Using CATALINA_HOME:   /opt/tomcat
Using CATALINA_TMPDIR: /opt/tomcat/temp
Using JRE_HOME:        /usr/bin/java
Using CLASSPATH:       /opt/tomcat/bin/bootstrap.jar:/opt/tomcat/bin/tomcat-juli.jar
/opt/tomcat/bin/catalina.sh: line 402: /usr/bin/java/bin/java: Not a directory
/opt/tomcat/bin/catalina.sh: line 402: exec: /usr/bin/java/bin/java: cannot execute: Not a directory

Update 9

Version 9 has been update.

Restart

Tomcat restart on changes to the configuration.

An error with the placement of server.xml has been solved.

java_opts

Java options (normally found in setenv.sh) can now be set per instance, thanks to @DuffMck!

Simpler directory structure

Quite a few changed, based on feedback from @DuffMck, thanks for that!

Flat structure

This Ansible role now uses a "flat" structure to deploy Apache Tomcat, for example:

/opt/tomcat/bin/...
/opt/tomcat/webapps/...

(There used to be a version in the path.)

Testing

Different scenarios include more versions and options for a more realistic test.

Documentation

README.md has been updated with examples.

Version 8 deprecated

Version 8 has been removed as an option, instead 8.5 is being used, which is supported.

Docs updated

The documents have been updated using a templated format.

Fix and bump

A fix to the startup script was implemented fixing #8.

Bump

Version bump and Fedora 30 fix.

Lesser ist besser

This release features:

• Tests on less version of Ansible.
• Tasks are not skipped on Docker by default.
• Updated documentation.

purpose

Update docs and purpose.