FLUME-919: flume-ng script should use exec when spawning the java process
FLUME-919: flume-ng script should use exec when spawning the java process

(Bruno Mahé via Prasad Mujumdar)

git-svn-id: 83c0a85849915660c6b5dd9fee5662efab522cf2@1231423 13f79535-47bb-0310-9956-ffa450edef68

tmgstevens/flume,lfzCarlosC/test,iaiengxia/flume,szaboferee/flume,tmgstevens/flume,tinawenqiao/flume,tmgstevens/flume,tmgstevens/flume,szaboferee/flume,szaboferee/flume,tinawenqiao/flume,lfzCarlosC/test,iaiengxia/flume,tinawenqiao/flume,iaiengxia/flume,szaboferee/flume,lfzCarlosC/test,lfzCarlosC/test,iaiengxia/flume,tinawenqiao/flume