[Monica, Andrei] changed jetty.port to 9090
[Monica, Andrei] web service url use 9090, tomcat jenkins port fix
[Monica, Andrei] tomcat 9090, jetty 9091
[Monica, Andrei] added WEB-INF/logs/taxcalculator.log
[Radu,Ronald] S12: added pdf generation capability
refactorings after code review
[Andrei] added support for mysql database (disabled)
[Andrei] Merge branch 's22basic_env'

Conflicts:
	taxcalculator/taxcalculator-application/pom.xml
[Silviu, Radu] send paycheck by email
[Silviu, Radu] cleanup
[Silviu, Radu] Merge branch 's12_pdf'
merge with master