MessageFormat treats ' as a special character

https://docs.oracle.com/javase/8/docs/api/java/text/MessageFormat.html

Test case is jenkins/computer/node/configure
 Help for "Launch method"

Without this fix, you will see:
Launch agent via Java Web Start
... By default, the JNLP agent will launch a GUI, but its also possible to run a JNLP agent without a GUI, e.g. as a Window service.

You should see:
... By default, the JNLP agent will launch a GUI, but it's also possible to run a JNLP agent without a GUI, e.g. as a Window service.