update tachyon.data.folder and tachyon.workers.folder default value
Merge pull request #552 from luogankun/luogankun01

[Docs]Update tachyon.data.folder and tachyon.workers.folder default value
Improved docs and formatting for RemoteBlockInStream and TachyonFile
Remove duplicate code
Merge pull request #555 from luogankun/luogankun02

Remove duplicate code
remove unused import statement in jsp
update docs
Merge pull request #557 from luogankun/luogankun04

[Docs]update docs
Merge pull request #556 from luogankun/luogankun03

Remove unused import statement in jsp
return false after exsits check failed
switched to directoryMode to make sure bin has the right perms
added file mode back
Merge pull request #561 from dcapwell/bintar

switched to directoryMode to make sure bin has the right perms
Merge pull request #560 from luogankun/luogankun05

return false after exists check failed
Update doc for new CLI commands
Merge pull request #562 from Huawei-Tachyon/jira74a

Update doc for new CLI commands
Merge pull request #558 from manugoyal/remote-read-docs

Improved docs and formatting for RemoteBlockInStream and TachyonFile
format
Merge hierarchy store into Tachyon - thrift change
Merge hierarchy store into Tachyon - non-thrift change