Add file truncate to dservice; catch exception for refresh timer.
Add get file by name to MetaStoreClient.
Add inotify watcher, collect VFS layer operations info
Watchdog service support: watchedog script and crontab file.
Add MM metadata check service
Fix ClientAPI bug on object put: multithread conflict on global index var, might lead to object unreplicated; Add xput to fix under replicated objects; Add mget timeout to mm.client.conf; Parallel MGet test; Add daily dup statistic;
Eliminate thread sleep in MMSClient.
Add DNS info to info page; Add note on getActiveMMServer, talk about supporting dynamic adding new MMServers in future.
Fix the bug of dodedup info vol bug.
Add timeout setting to metastoreclient connection
Set entry state to ERR if popen failed.