This should have enabled the current navigation drawer entry to be highlighted
by the call to setItemChecked() in selectItem(), but it still doesn't work.

Side-effect: some constant strings are now public

- Migrated I2PActivityBase and subclasses to Fragment
- Added new MainActivity with navigation drawer to handle Fragments
- Added MainFragment to navigation drawer

Code compiles, installs and runs. Known bugs created:
- Some buttons now fail (can't use an Intent with a Fragment)
  -> Migrate usage of Intents to Fragment transactions
- New install/upgrade dialogs are commented out
  -> Migrate old Dialogs to DialogFragments

- Update release notes
- Lower log levels
- Spelling fixes on settings page

- Clean up debug text on main screen
- Move most logging from System.err.println to Util
- Stub out HTTP auth handler
- Don't restart Peers page on orientation change
- Add inbound/outbound arrows, not loaded yet
- Tweak log levels

- More updates to release notes

- Toast on cache load
- Don't lose current page on orientation or keyboard hidden events
- Implement reload
- Quit is the new stop

- Switch from URI to Uri in the WV Client
- Canonicalize resource URIs if necessary
- Switch from HashMap to SharedPrefs in CacheProvider
- Use cache when going forward too
- CacheProvider remove old entries in onCreate()
- CacheProvider cleanup
- gc on router stop
- Add reload menu item
- Don't return to welcome page on activity restart
- Notification on client tunnels up/down

- Save service state
- Start router after stopped by system

- Log to console buffer too
- New log activity
- Debug status output when router not running
- More logging utility methods

- Update status faster
- Update release notes

- Allow quitting while waiting
- Move connected detection to utility class
- Use connected info for displaying buttons

  and from a system property to shared preferences
- Strip libjbigi.so

- Show the toast
- First web page can be i2p

- Add missing resources
- More work on start/stop buttons and binding

- Hide start/stop in menu as appropriate
- Prep for actually stopping and releasing service
- Stop service when stopping router
- Switch from singleTask to SingleTop
- Use SharedPrefs to remember whether to start router

- Handle cancels better
- Start clients faster

- Add welcome page
- Add EepGetFetcher app
- Add warnings