Merge branch 'master' of http://innovate.cs.surrey.sfu.ca/code/533f90cda342aec8c7386aea
Merge pull request #1 from nwpan/master

merge this peusocode for serverDB
Merge branch 'master' of https://github.com/kkc47/Distributed-System--Rating-System
refactoring sharding number method
legacy code from boilerplate, updated method call from HashEntity