Turn off blank-lines Solium rule (#1284)

* turn off blank-lines rule

* remove triple newlines

(cherry picked from commit 9b37104655)

contracts/token/ERC721/ERC721.sol

@@ -6,7 +6,6 @@ import "../../math/SafeMath.sol";
 import "../../utils/Address.sol";
 import "../../introspection/ERC165.sol";
 
-
 /**
  * @title ERC721 Non-Fungible Token Standard basic implementation
  * @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md

contracts/token/ERC721/ERC721Burnable.sol

@@ -2,7 +2,6 @@ pragma solidity ^0.4.24;
 
 import "./ERC721.sol";
 
-
 contract ERC721Burnable is ERC721 {
   function burn(uint256 tokenId)
     public

contracts/token/ERC721/ERC721Enumerable.sol

@@ -4,7 +4,6 @@ import "./IERC721Enumerable.sol";
 import "./ERC721.sol";
 import "../../introspection/ERC165.sol";
 
-
 contract ERC721Enumerable is ERC165, ERC721, IERC721Enumerable {
   // Mapping from owner to list of owned token IDs
   mapping(address => uint256[]) private _ownedTokens;

contracts/token/ERC721/ERC721Full.sol

@@ -4,7 +4,6 @@ import "./ERC721.sol";
 import "./ERC721Enumerable.sol";
 import "./ERC721Metadata.sol";
 
-
 /**
  * @title Full ERC721 Token
  * This implementation includes all the required and some optional functionality of the ERC721 standard

contracts/token/ERC721/ERC721Holder.sol

@@ -2,7 +2,6 @@ pragma solidity ^0.4.24;
 
 import "./IERC721Receiver.sol";
 
-
 contract ERC721Holder is IERC721Receiver {
   function onERC721Received(
     address,

contracts/token/ERC721/ERC721Metadata.sol

@@ -4,7 +4,6 @@ import "./ERC721.sol";
 import "./IERC721Metadata.sol";
 import "../../introspection/ERC165.sol";
 
-
 contract ERC721Metadata is ERC165, ERC721, IERC721Metadata {
   // Token name
   string internal _name;

contracts/token/ERC721/ERC721Mintable.sol

@@ -3,7 +3,6 @@ pragma solidity ^0.4.24;
 import "./ERC721.sol";
 import "../../access/roles/MinterRole.sol";
 
-
 /**
  * @title ERC721Mintable
  * @dev ERC721 minting logic

contracts/token/ERC721/ERC721Pausable.sol

@@ -3,7 +3,6 @@ pragma solidity ^0.4.24;
 import "./ERC721.sol";
 import "../../lifecycle/Pausable.sol";
 
-
 /**
  * @title ERC721 Non-Fungible Pausable token
  * @dev ERC721 modified with pausable transfers.

contracts/token/ERC721/IERC721.sol

@@ -2,7 +2,6 @@ pragma solidity ^0.4.24;
 
 import "../../introspection/IERC165.sol";
 
-
 /**
  * @title ERC721 Non-Fungible Token Standard basic interface
  * @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md

contracts/token/ERC721/IERC721Enumerable.sol

@@ -2,7 +2,6 @@ pragma solidity ^0.4.24;
 
 import "./IERC721.sol";
 
-
 /**
  * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
  * @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md

contracts/token/ERC721/IERC721Full.sol

@@ -4,7 +4,6 @@ import "./IERC721.sol";
 import "./IERC721Enumerable.sol";
 import "./IERC721Metadata.sol";
 
-
 /**
  * @title ERC-721 Non-Fungible Token Standard, full implementation interface
  * @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md

contracts/token/ERC721/IERC721Metadata.sol

@@ -2,7 +2,6 @@ pragma solidity ^0.4.24;
 
 import "./IERC721.sol";
 
-
 /**
  * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
  * @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md

contracts/token/ERC721/IERC721Receiver.sol

@@ -1,6 +1,5 @@
 pragma solidity ^0.4.24;
 
-
 /**
  * @title ERC721 token receiver interface
  * @dev Interface for any contract that wants to support safeTransfers