Removed EchoPerfClient, easier to just use ab or jmeter.
Added test script to submit requests to blocking and async echo servlets
Extract zipped data file to a temp file first.
Fixed bug when test script ran from root of project
Renamed application
Added timer to request
Added ability to set URL via argument #3
Fixed bug where more data could be written.  Using Arrays.copyOf instead of new byte[].  Also, added some stats to see what is read, written and buffered.
Added convenience scripts to run bio and nbio tests.  Fixed test to show more details on failure.