Dependency updates:
Dependency updates:

- Spring  -> 4.3.8
- Jetty   -> 9.4.4
- Jackson -> 2.8.8

aldaris/wicket,bitstorm/wicket,dashorst/wicket,selckin/wicket,selckin/wicket,apache/wicket,mosoft521/wicket,aldaris/wicket,apache/wicket,aldaris/wicket,dashorst/wicket,bitstorm/wicket,bitstorm/wicket,bitstorm/wicket,apache/wicket,selckin/wicket,mosoft521/wicket,dashorst/wicket,selckin/wicket,mosoft521/wicket,aldaris/wicket,mosoft521/wicket,selckin/wicket,dashorst/wicket,apache/wicket,dashorst/wicket,apache/wicket,bitstorm/wicket,mosoft521/wicket,aldaris/wicket