clean up migration files

-changed task_type to integer
-deleted unneccessary migration file
Merge pull request #41 from Phil0xF7/master

Clean up migration files
Merge branch 'master' of github.com:NeilMakn/kix_rails
Author: Cole
Commit: Minor update to form styles.
Add config.rg to .gitignore, this file is created by livereload for some reason.