Utilizing flyway to handle database migrations.
 - Not utilizing confernce_costs_blocks now as it's totally unused in this version

add a profile property to update the proper database based on profile

now actually use the property added

Adding dev database URL to pom.xml and moving the flyway db url to be a profile property

Removing dependency
Merge pull request #142 from CruGlobal/feat/db-migrations

Feat/db migrations