sql2 gem deleted, redundant migration deleted
Merge pull request #9 from dzdidi/zaliskyi_3

sql2 gem deleted, redundant migration deleted
it is my init2
google books amazon
clean the codes
merge Gemfile.lock
merge and execute, add attributes in database, use rake migrate reset to reset database
merge
Merge pull request #11 from dzdidi/mike

Mike
Refactoring
Merge pull request #12 from dzdidi/refactoring

Refactoring