SPARK-1215: Log out does not log out, it shuts down spark
SPARK-1215: Log out does not log out, it shuts down spark

-improved restart mechanism:
first search for startup script dinamically by asking java
where is the startup class. based on Startup.class location the startup script
location is retrieved. If the startup script is not found, use
java capabilities to start spark (automatically computing classpath
and use java -cp startupclass)

git-svn-id: f13e20fb8540f76a08799c0051229138c0279aa7@12584 b35dd754-fafc-0310-a699-88a17e54d16e

joshuairl/toothchat-client,joshuairl/toothchat-client,joshuairl/toothchat-client,joshuairl/toothchat-client