(Feature) Allow the token wizard to support multiple strategies with the store

[mariano-aguero]

If you are reporting a problem with Token Wizard, please include the following information:

Which network did you use? (Mainnet, Kovan, Rinkeby, etc.)

None

If you were able to create it, what is the URL of your crowdsale?

None

Do you have screenshots showing the problem?

None

Do you see errors in the dev console? If yes, please include a screenshot

None

Resume:
Currently the data for the strategies is stored in the same store. The store should be more SOLID, so we can do better maintenance, integration of features, avoid bugs and conditionals, etc.

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