Grabbed build.xml from previous project and placed src files into proper subdirectory structure
fixed directory structure for src and added directory structure for build
refactor packages
Added lib subdirectory/downloaded jar file. Also implement TailTest.java and the all the tests both run and pass
Correctly added lib file so it is present in commit
Added javadoc comments to Tail.java
Changed some header comments
Added javadoc comments to Stopwatch.java
Merge branch 'master' of github.com:sdowell/cs56-games-snake
adding depends to run target of build