add the other getProperty(); more tweaks

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

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

...routerconsole/java/src/net/i2p/router/web/NewsHelper.java

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

router/java/src/net/i2p/router/RouterContext.java