Fix the JIRA ISSUE 'TACHYON-66':TFS and TFsShell do not respect Fault Tolerant mode
delete the temp commented functions
Merge pull request #113 from RongGu/master

Fix the issue #109 on github(Namely, the TACHYON-66 on JIRA): TFS and TFShell doesn't respect fault tollerant mode with zookeeper