Initial Commit

Initial Commit
Merge pull request #2 from ShokiMatsuo/working

Initial Commit
Merge branch 'master' of https://github.com/syguer/hk
Set up database config
Fix some files to use rspec
Add test case to get a restaurant information randomly
Implement getting a restaurant information randomly
Merge pull request #5 from ShokiMatsuo/work

Implement getting a restaurant information randomly