* Changed before for beforeAll, refactored Bouncer tests.

* Fixed linter errors.

* fix: updates for SignatureBouncer tests and voucher construction

* feat: add AutoIncrementing contract

* feat: allow multiple counters per instance

* fix: some linting errors

* feat: use recommended implementaiton

* fix: remove .only in tests

* fix: PR notes

* fix: add note about incrementing counter

* Test helpers no longer rely on Babel.

* Behaviours are no longer imported.

* Removed Babel dependency.

* Fixed linter errors.

* Assume that token is mintable.

* ECRecover test should revert because of wrong calldata size

* fix: use expectThrow

* fix: ignore failing test until solc^0.5.0

* Create CODE_OF_CONDUCT.md

* fix: update to raw text from website rather than github's provided one

* Added basic Escrow

* PullPayment now uses an Escrow, removing all trust from the contract

* Abstracted the Escrow tests to a behaviour

* Added ConditionalEscrow

* Added RefundableEscrow.

* RefundableCrowdsale now uses a RefundEscrow, removed RefundVault.

* Renaming after code review.

* Added log test helper.

* Now allowing empty deposits and withdrawals.

* Style fixes.

* Minor review comments.

* Add Deposited and Withdrawn events, removed Refunded

* The base Escrow is now Ownable, users of it (owners) must provide methods to access it.

* update package-lock generated by npm

* run npm audit fix

* Align ERC721 Receiver with current ERC721 standard.
Adds a second address field to onERC721Received
onERC721Received(address,address,uint256,bytes)
Updates the function signature to 0x150b7a02 from 0xf0b9e5ba

* Add _operator to onERC721Received

* Fix error caused by formatOnSave

* Fixed comments on ERC721Receiver
Removed "Must use 50,000 gas or less"
Corrected the function signature

Implementing this token is unsafe as per comments here:
https://github.com/ethereum/EIPs/issues/827#issuecomment-397857455

* feat: initial implementation of ERC1046

* introduced safeTransfer to Crowdsale

* Removed .node-xmlhttprequest-sync-7601

* fix: swithc WhitelistedCrowdsale to use Whitelist.sol

* feat: refactor whitelist.sol, rbac.sol and whitelistedcrowdsale.sol

* feat: add event arg assets and update whitelist

* fix: update modifier comment and also test isWhitelisted

* fix: remove onlyWhitelisted backwards compat attempt, fix explicit inheritance

* fix: remove underscore prefix from event args

* fix: user access/Whitelist

* Remove redundant @dev tags

* Remove redundant @notice tags

Uses the explicit address(0) for the zero address

* Make contracts 4.24 compatible

* fix: defer lookup-specific info to implementations

* fix: change inheritance order, fix import

* ownable: add a notice on renounceOwnership

* Apply the suggestion by @shrugs

* addressed unchecked return value in AllowanceCrowdsale #945 using SafeERC20

* make _tokenId indexed in Transfer and Approval events

via: https://github.com/ethereum/EIPs/pull/1124/files

* fix: make name() and symbol() external instead of public

* feat: implement ERC721's ERC165

* feat: erc165 tests

* fix: don't use chai-as-promised in direct await

* fix: reorganize to /introspection

* feat: abstract all erc165 tests to a behavior

* feat: disallow registering 0xffffffff