[maven-release-plugin] prepare for next development iteration
#472 - Fix incorrect eq	uals() method cast
#479 - ProductOptionValueProcessor leaves Thymeleaf attribute in rendered HTML
#471 - "Sign In" wasn't using an externalized property
#475 - Overly aggressive validation on LOOKUP type collections
#358 - Sort is not preserved in admin modal lists when loading additional data
#313 - Fix edge case for rule builders and incorrect parsing
Fixes #86 - hide the additionalSkus and productOptions from all product bundles (including subclasses)
Fixes #486 - add null pointer protection to pricing model when saving a product bundle
Fixes #71 - Allow overrides on resolveFulfillmentType at the DiscreteOrderItem level
#487 - Intermittent XSRF check failures in the admin can occur (and other issues with request parameters missing or being incorrect)
Fixes #227 - Add better support for Media subclasses in the admin
Fixes #336 - CSRs should be able to view offers else they get a permission denied when viewing the Order section
#489 - 3.0.4 Miscellaneous Improvements. Protect against potential NPE.
#494 - Add support for nested Maps in AdornedTargetCollections
#452 - Error when adding Category facets

(cherry picked from commit 8c8561aaad0bc82f6151a1edf1bfb69fd4923cde)
#494 - Fix compilation problem in 3.0.4
#309 - Sale price not applied on order subtotal when no offers in system
Fixes #496 - Move Locale.orm.xml into common since that is where LocaleDaoImpl is located
#498 - Initial creation of CONTRIBUTING.md