Merge pull request #1 from TakeshiTseng/master

pull master
Merge pull request #2 from TakeshiTseng/master

wtf commit
modify Class:ShareLink tructure and add FileServiceImpl function
simple Cloud drive finish
Delete OxKANftuEfJ6IlICbCqgxQ

Old test case
Delete VQGV_c1Tw9KUwSmZnvbQhg

Old test case
Delete datastore-indexes-auto.xml

Old test case
Delete local_db.bin

Old test case
Create README.md

simple Cloud drive finish
Merge pull request #4 from elmerlu/master

simple Cloud drive finish