Add V3 datagram and raw sessions to send client
minor cleanups

fix timeout message
add client sink pinger

can't handle UTF-8 for now.
Start support of datagrams and raw in the client

Fix one message for STREAM CONNECT that wasn't honoring SILENT setting
PING failure sends a SESSION STATUS message
Implement ping/pong in client
Delay at end of client send so data gets through in v3 mode
log tweaks
Exception catch tweaks

Convert IDs from ints to Strings
Wait for STREAM STATUS
Open 2nd socket for sender
v3 sender working

v3 unfinished, does not work yet

SAMv3DatagramSession whitespace fixes
@since change to 0.9.24

separate option javac.compilerargs7 for Java 7

Requires Java 7 to compile

Implement PING
Handle QUIT, STOP, EXIT
synch DatagramServer start/stop

javadocs
more changes to follow

better exception handling
boolean cleanups

Handle PING and send PONG. No code for sending PINGs yet.
Don't drop connection if only one token.

Store changes to config file

New PasswordManager methods for use by SAM

Add partial SSL support (will require Java 7 due to SocketChannel changes)
won't compile, SSLServerSocketChannel and SSLSocketChannel not checked in,
pending decisions on implementation
Bump version to 3.2

Args processing cleanups
Change default host from 0.0.0.0 to 127.0.0.1
Add -s option for SSL (unimplemented)
Put help text in a single string

Also on both sides of I2CP.
BOB already does it.

- Close sockets and stop tunnels when router-side SAM stops (ticket #1572)
- Better checks for quoting status message strings (ticket #1488)
- Set encoding for sam.keys file
- Don't throw NPE on rare stream errors
- Comment out unused dumpProperties()
- Cleanups, log tweaks, thread name tweaks