Added FixedConcurrentForwardingQueue to limit the total of messages in 
the queue.
Added support to JSON strings. 
Integration with webservice.
Replaced MessageSerializer with MessageFormatter, wich now handles 
message to/from network conversions and String based formats (CSV, JSON)
Internet mode is only entered when there are messages to send. 
Added webservice endpoint option to preferences. 
Small changes in strings.xml and VictimActivity to give better feedback.
Reverted change from da32433b312351497244b1af97af1775cce866b6 since
there 
is always a message to send to Internet.
Added feedback to messages sent directly to webservice in
VictimActivity.
Created MessageGroup to allow multiple Messages to be sent at once.