StatSummarizer and SummaryListener are based on the same-named classes from the
routerconsole. Data is stored in memory using an AndroidPlot SimpleXYSeries.
Only the last 30 points are currently stored.

There are a lot of changes here:
- The main_content FrameLayout is now main_fragment (more logical name).
- TunnelEntry now stores a Context instead of a TunnelEntryLoader (so
  it can be instantiated inside the detail Fragment).
- The activity_navdrawer layout is now an alias to a one-pane or two-pane
  layout depending on screen size.
- Subclasses of I2PActivityBase can now override canUseTwoPanes() to enable
  and use the two-pane layout (for devices that support it).

Broken: cannot find net.i2p.i2ptunnel.I2PTunnel
(but it can when launching the router)

The navigation drawer has been (mostly) migrated to link to Activities instead
of Fragments. Only Activities can be searched via the inbuild Android search
function, which uses Intents.

The path in project.properties will require local overriding. I tried directly
referencing the SDK with ${sdk.dir} but the build fails with an absolute path
to a library.

Added AddressbookSettingsActivity, and a link via settings. It's now possible to update subscriptions.txt on android.

javascript all the buildnumber stuff, new target incrementBuild, use when i2p.i2p source has not changed, but android source has changed.

- Disable SSL reseed (temp until merge)
- Update release notes
- Restrict addressbook to only hosts.txt file

- 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