Updated code style to 4 space indentation and 120 characters per line. (#1508)

* Updated code style to 4 spaces and 120 max characters per line.

* Update contracts/token/ERC721/ERC721Pausable.sol

Co-Authored-By: nventuro <nicolas.venturo@gmail.com>

* Update contracts/token/ERC721/IERC721.sol

Co-Authored-By: nventuro <nicolas.venturo@gmail.com>

contracts/mocks/IncreasingPriceCrowdsaleImpl.sol

@@ -4,20 +4,17 @@ import "../crowdsale/price/IncreasingPriceCrowdsale.sol";
 import "../math/SafeMath.sol";
 
 contract IncreasingPriceCrowdsaleImpl is IncreasingPriceCrowdsale {
-
-  constructor (
-    uint256 openingTime,
-    uint256 closingTime,
-    address wallet,
-    IERC20 token,
-    uint256 initialRate,
-    uint256 finalRate
-  )
-    public
-    Crowdsale(initialRate, wallet, token)
-    TimedCrowdsale(openingTime, closingTime)
-    IncreasingPriceCrowdsale(initialRate, finalRate)
-  {
-  }
-
+    constructor (
+        uint256 openingTime,
+        uint256 closingTime,
+        address wallet,
+        IERC20 token,
+        uint256 initialRate,
+        uint256 finalRate
+    )
+        public
+        Crowdsale(initialRate, wallet, token)
+        TimedCrowdsale(openingTime, closingTime)
+        IncreasingPriceCrowdsale(initialRate, finalRate)
+    {}
 }