Feature: Ability to start with a pre-defined tag list

[AaronLayton]

Needs a way to pass in a list of tags to start off with, maybe something like

$mb.masterblaster({
    tags: [
        "tag1",
        "tag2",
        "tag3"
    ],
    tagRules: {
        unique: true,
        minLength: 2
    }
});