to test failure

  - Fix several 'increment of volatile is not atomic' all over
    Remaining: UDP PeerState.java, to be checked in separately
  - Comment out all of unused MessageStateMonitor

     and 'e5def490e4eba793ca0d2bcb739771dcdf8c0242'

     and 'ba02b6daf2d660339ff05cfe0479344391e6e34f'

     and '6df9f4e154d148867ee158cbe9e9acf3fb73d680'

Findbugs: More findbugs fixes. Including but not limited to: null check fixes and some synchronization

  - Fix uncaught exception when log level = WARN, broken in -23

  - more checks, don't allow fragment #0 in follow-on fragment
  - Set message ID in constructor

 (ticket #1123)
 - Add new config i2np.upnp.ignore to specify UDNs of ignored devices
 - Add display of ignored devices on /peers

According to http://wrapper.tanukisoftware.com/doc/english/prop-umask.html the
umask is a four digit number.

   New icon from FatCow, licensed as specified in our docs.
   ref: http://zzz.i2p/topics/1492

   New icons from FatCow, licensed as specified in our docs.
   ref: http://zzz.i2p/topics/1492

  - Comment out unused encryption fields to save space
  - New static immutable LOCAL instruction to reduce object churn

          to catch bugs like the one in -7 where requeue() is called
          with an absolute time instead of a delay

   - Reject type 3 (undefined) delivery instructions at both OBEP and IBEP,
     would be treated as LOCAL
   - Reject type 0 (LOCAL) delivery instructions at OBEP, no current usage,
     would cause NPE if handled

     and '2449ac4142097e34b7ad4c4c4cb16c163a786a16'