Add javax.xml.bind to pom

[jzohrab]

Without this, java.lang.NoClassDefFoundError occurs due to
missing javax/xml/bind/ValidationException

Solution found in https://stackoverflow.com/questions/43574426

[jzohrab]

Hi @julien-sobczak, I'm not a Java dev so this PR may need fixing. I needed to make this fix to build the code on my mac:

$ java --version
java 10.0.2 2018-07-17
Java(TM) SE Runtime Environment 18.3 (build 10.0.2+13)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10.0.2+13, mixed mode)

and per the commit comment I found the above solution in StackOverflow.

Cheers!