merge of '03068a89c26b0986a8bf2b6f36cb478f565664eb'

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

core/java/src/net/i2p/data/DataHelper.java

core/java/src/net/i2p/util/ByteCache.java

core/java/src/net/i2p/util/ResettableGZIPInputStream.java

core/java/src/net/i2p/util/ResettableGZIPOutputStream.java

core/java/src/net/i2p/util/ReusableGZIPInputStream.java

core/java/src/net/i2p/util/ReusableGZIPOutputStream.java

history.txt

router/java/src/net/i2p/router/Router.java

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

...ava/src/net/i2p/router/transport/udp/MessageReceiver.java