Added migrations

1. Update additionalInformation to TEXT field
2. Remove not null constraints from invetingOwnMoney, additionalDemographics and moneyInvested
Adding migrate task to default.
Merge pull request #10 from CoquiCoders/gulp-add-migrate

Adding migrate task to default.
Seems fine to me
Style fixes per Max's comment on Pull Request
Merge branch 'master' of github.com:CoquiCoders/bizwallet into styling_wizard

* 'master' of github.com:CoquiCoders/bizwallet:
  Adding migrate task to default.
  Added migrations