stubs for su3 news

.../java/src/net/i2p/router/update/ConsoleUpdateManager.java

...erconsole/java/src/net/i2p/router/update/NewsFetcher.java

...erconsole/java/src/net/i2p/router/update/NewsHandler.java

...sole/java/src/net/i2p/router/web/ConfigUpdateHandler.java

...nsole/java/src/net/i2p/router/web/ConfigUpdateHelper.java

core/java/src/net/i2p/crypto/SU3File.java

core/java/src/net/i2p/update/UpdateType.java