[JENKINS-23086] Cppcheck plugin shall display verbose information

- Parsing and storing of the verbose attribute implemented.
- If the value is the same as msg, it will be ignored.
- Verbose information is displayed inside the tooltip on page with source code listing and on the page with all violations.
[JENKINS-23086] Cppcheck plugin shall display verbose information

- "nodismiss" parameter removed by accident in the previous commit. If it is present, the tooltip won't be closed automatically after a timeout.
Merge pull request #17 from mixalturek/master

[JENKINS-23086] Cppcheck plugin shall display verbose information