Clean up poorly formed code (lint), fix close on rotate.

src/net/i2p/android/apps/NewsFetcher.java

src/net/i2p/android/router/activity/AddressbookActivity.java

.../android/router/activity/AddressbookSettingsActivity.java

src/net/i2p/android/router/activity/LogActivity.java

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

src/net/i2p/android/router/provider/CacheProvider.java

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

src/net/i2p/android/router/util/AppCache.java

src/net/i2p/util/LogWriter.java

src/net/i2p/util/SecureDirectory.java

src/net/i2p/util/SecureFile.java