[MENFORCER-193]: Add new rule: BannedRepositories to ban specified repos...

There are use cases that need to ban specified repositories.
Ex. one enterprise migrate their repositories from old one to new one.
But some users still use old settings.xml or some projects' pom.xml still have old repositories.

What this rule did:
1. bannedRepositories: user could add banned repositories and support wildcard "*" to simplify user's usage.
2. allowedRepositories: that's simpler and useful for enterprise users.