remove all of what are related to Award
remove number of pages and isbn in Work
Merge pull request #39 from sjw0687/remove_unnecessary_schema

Remove unnecessary schema
add migration script for removed schema
Merge pull request #40 from sjw0687/remove_unnecessary_schema

Added migration script for removing unnecessary schema
define Title class and add relationships of it
Test on Title, and stylistic change
add migration script for titles
adjust frontend and test on it for multiple titles
remove old migration script