Merge branch 'i2ptunnel-keepalive-util' into 'master'

.../java/src/net/i2p/i2ptunnel/HTTPResponseOutputStream.java

...va/src/net/i2p/i2ptunnel/localServer/LocalHTTPServer.java

...ava/src/net/i2p/i2ptunnel/util/ByteLimitOutputStream.java

...ava/src/net/i2p/i2ptunnel/util/DechunkedOutputStream.java

...el/java/src/net/i2p/i2ptunnel/util/DummyOutputStream.java

...l/java/src/net/i2p/i2ptunnel/util/GunzipOutputStream.java

...el/java/src/net/i2p/i2ptunnel/util/LimitOutputStream.java

apps/i2ptunnel/java/src/net/i2p/i2ptunnel/util/package.html