rebuild js files
inline method in application.js
move init method to constructor
add init option to constructor
Merge branch 'feature/refact' into develop
when click "New Table" button, append TableView
when input tableName, update raw_content
change js directory structure
implement table class, column class
use table class
Merge branch 'feature/refact_create_table' into develop
implement edit tableName
delete console.log
implement rename_table
Merge branch 'feature/edit_table_name' into develop
implement drop_table
update version
Merge branch 'release/v0.2.0'