Moved debug log entries to Util.d()

src/net/i2p/android/router/I2PActivityBase.java

src/net/i2p/android/router/InitActivities.java

src/net/i2p/android/router/MainActivity.java

src/net/i2p/android/router/SettingsActivity.java

...et/i2p/android/router/addressbook/AddressEntryLoader.java

...t/i2p/android/router/netdb/NetDbSummaryPagerFragment.java

src/net/i2p/android/router/service/Init.java

src/net/i2p/android/router/service/LoadClientsJob.java

src/net/i2p/android/router/service/RouterService.java

src/net/i2p/android/router/stats/RateGraphFragment.java