added packet documentation
Create Picture.java
Create WalkerClient
Create WalkerServer
Create WalkerThread
description and how-to-use added
Merge branch 'server_dev' into dev
fixing classpath errors
Merge branch 'master' into dev
Merge pull request #8 from xysmas/png-fix

Fix broken png files
Merge branch 'master' into dev
Match formatting to code standards, make walker .java files
Fix spelling on packages