* Refactoring Superuser contract to allow Owners to transfer ownership when they are not superusers #50

* Refactoring tests to create a contract instance for each of them #50

* add a comment on detailed erc20 token #953

*  update sha3 1.2.0 -> 1.2.2 for node 10 compatibility

* update nan 2.6.2 -> 2.10.0 for node 10 compatibility

* commit new package-lock.json format generated by npm 6

* fix: add comment about rbacwithadmin being rather powerful
* fix: move RBACWithAdmin to examples

* Update README.md

* update embark import to use the v1.9.0 tag instead of master

* Update README.md

* Adding new Superuser contract + tests

* added the RBACMintableToken
* added MintedCrowdsale with RBACMintableToken test
* added a mintable behaviour for tests
* moved minting tests in behaviour
* created a minted crowdsale behaviour to be tested with both mintable and rbacmintable token

* update solidity-coverage to ^0.5.0

* update truffle dependency to ^4.1.8

* update solium to ^1.1.7

* update all contracts to solidity ^0.4.23

* added function to renounce ownership

* Provide an Ownable behavior for testing (#905)

* Fix indentation

* Convert to use should assertions

* feat: refactor whitelist.sol to use RBAC

* fix: remove poor backwards compat attempt

* Removed asserts and replaced them in favor of require

* Adapted tests to work with requires

* ignore everything but official contracts for npm

* add tests to npm package

* remove truffle migrations stuff

* remove seemingly unused npm dependency

* clean up dependencies

* Make ERC827 methods payable

* Suppress linter errors

* Add some ERC827 payable tests

* Remove failOnBuy method from MessageHelper

* Fix linter warning

* Fix tests

* Update ERC827.sol to not use function overloading

* updated tests for erc827 function name changes

* fixed broken test

* removed findMethod from erc827 tests that is no longer necessary

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