add gitignore
Merge pull request #1 from dianping/master

merge
Merge pull request #2 from dianping/master

merge
Appnode code :1. register 2. normal process 3.roll process 4.recovery handler. Next step is UT and collector code
app done ,main UT done, to be merge to erik's code
some UT and hdfswriter
merge the node.java
improve UT
Merge pull request #4 from dianping/master

from dianping to jin
finish recovery
resolve confliction
Merge pull request #6 from dianping/master

from dianping to jin
XXPB.java
recovery ut pass
rename HDFSWriter to HDFSUpload and add Upload/Recovery result at the end of thread
merge conflict
Merge pull request #17 from cltlfcjin/master

merge