Ignore trading system in Javadoc documentation

Configure 'maven-javadoc-plugin' to ignore the trading system when
generating Javadoc documentation.
Remove superfluous whitespace
Add terminal client

It is a simple console application for entering orders into the trading
system.
Merge pull request #12 from jvirtanen/features/client

Add terminal client
Clean up exception handling
Add order matching to trading system
Merge pull request #13 from jvirtanen/features/order-matching

Add order matching to trading system
Declare maximum message lengths

Declare maximum inbound and outbound message lengths for the order
entry protocol.
Adjust buffer sizes in terminal client
Adjust buffer sizes in trading system
Treat I/O error on market data request fatal
Treat I/O error on market data transmission fatal
Rename matching engine performance test module
Allow multiple market data messages in one packet
Add market data to trading system
Merge pull request #14 from jvirtanen/features/market-data

Add market data to trading system
Use long integers in order book reconstruction

Align the order book reconstruction with the network protocols that use
long integers for quantity.
Improve BBO events in order book reconstruction

Trigger a BBO event when the first order is added to an order book.

Trigger a BBO event when the last bid (or ask) in an order book is
fully executed or canceled, leaving only asks (or bids).

Trigger a BBO event when the only order in an order book is fully
executed or canceled, leaving an empty order book.
Add stock ticker

It is a simple console application that displays the best bids and
offers (BBOs) and latest trades in the trading system.