Initial commit for completed CoinExchange
Minor changes
Removed deprecated Interface
Refactored timeout counter
Added stupid "Easter eggs"
Some fixes
Totally imptoved "Waiter"
Now he uses synchronization and asks if he must to terminate calclation,
or it may be continued.
Eeps.. seems I forgot to include few .java files........ sick

Restarting of timer ofter continueing long calculatioin.
Every time threshold will be increased by FACTOR. On start it is 33%,
but it will be increased by 20% on every restart of timer.
A bit upgrade
Strings externalization and optimizations
Merge pull request #1 from AlpenDitrix/CoinExchange

Homework №1 done