unhide plugins, fix d/l status display

...terconsole/java/src/net/i2p/router/web/PluginStarter.java

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

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

history.txt

router/java/src/net/i2p/router/RouterVersion.java