Console: Fix number formatting (tickets #1912, #1913, #2126)

apps/i2psnark/java/src/org/klomp/snark/dht/KRPC.java

...2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java

...rconsole/java/src/net/i2p/router/web/SummaryRenderer.java

...a/src/net/i2p/router/web/helpers/ConfigLoggingHelper.java

...java/src/net/i2p/router/web/helpers/ConfigNetHandler.java

.../java/src/net/i2p/router/web/helpers/ConfigNetHelper.java

...nsole/java/src/net/i2p/router/web/helpers/PeerHelper.java

.../net/i2p/router/web/helpers/ProfileOrganizerRenderer.java

...le/java/src/net/i2p/router/web/helpers/SummaryHelper.java

...e/java/src/net/i2p/router/web/helpers/TunnelRenderer.java

apps/routerconsole/jsp/config.jsp

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

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

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

...va/src/net/i2p/router/transport/FIFOBandwidthLimiter.java