Checkstyle: rename style file
-rw-r--r-- 206 CREDITS
-rw-r--r-- 551 DISCLAIMER
-rw-r--r-- 2103 HISTORY.md
-rw-r--r-- 11357 LICENSE
-rw-r--r-- 176 NOTICE
-rw-r--r-- 14131 README.md
drwxr-xr-x - assembly
drwxr-xr-x - bin
-rw-r--r-- 10532 checkstyle.xml
drwxr-xr-x - client
drwxr-xr-x - conf
drwxr-xr-x - doc
drwxr-xr-x - docker
drwxr-xr-x - hdfs
drwxr-xr-x - libexec
drwxr-xr-x - namenode
-rw-r--r-- 5371 pom.xml
drwxr-xr-x - rpc-darpc
drwxr-xr-x - rpc-narpc
drwxr-xr-x - rpc
drwxr-xr-x - storage-narpc
drwxr-xr-x - storage-nvmf
drwxr-xr-x - storage-rdma
drwxr-xr-x - storage