Implemented extraction of URL Fixer data

sitescripts/urlfixer/schema.sql

 DROP TABLE IF EXISTS domains;
 DROP TABLE IF EXISTS corrections;
 
 CREATE TABLE domains(
   id INT NOT NULL AUTO_INCREMENT,
   domain VARCHAR(50) NOT NULL,
   forceinclusion TINYINT(1) DEFAULT NULL,
   PRIMARY KEY(id),
   UNIQUE(domain)
 );
 
 CREATE TABLE corrections(
   id INT NOT NULL AUTO_INCREMENT,
   domain INT NOT NULL,
   status INT NOT NULL,
   curr_month INT NOT NULL,
   prev_month INT NOT NULL,
   curr_year INT NOT NULL,
   prev_year INT NOT NULL,
   PRIMARY KEY(id),
   FOREIGN KEY(domain) REFERENCES domains(id),
   UNIQUE(domain, status)
 );