update grunt dependencies and fix csslint issues (#609)

.csslintrc

@@ -1,6 +1,8 @@
 {
+    "adjoining-classes"        : false,
     "box-sizing"               : false,
     "display-property-grouping": false,
+    "order-alphabetical"       : false,
     "star-property-hack"       : false,
     "unqualified-attributes"   : false
 }

package.json

@@ -12,15 +12,15 @@
   "files": "build/",
   "devDependencies": {
     "bower": "^1.3.7",
-    "grunt": "^0.4.5",
-    "grunt-cli": "^0.1.13",
-    "grunt-contrib-clean": "^0.5.0",
+    "grunt": "^1.0.1",
+    "grunt-cli": "^1.2.0",
+    "grunt-contrib-clean": "^1.0.0",
     "grunt-contrib-compress": "^1.3.0",
-    "grunt-contrib-concat": "^0.4.0",
-    "grunt-contrib-copy": "^0.5.0",
-    "grunt-contrib-csslint": "^0.2.0",
-    "grunt-contrib-cssmin": "^0.6.2",
-    "grunt-contrib-watch": "^0.6.1",
+    "grunt-contrib-concat": "^1.0.1",
+    "grunt-contrib-copy": "^1.0.0",
+    "grunt-contrib-csslint": "^2.0.0",
+    "grunt-contrib-cssmin": "^1.0.2",
+    "grunt-contrib-watch": "^1.0.0",
     "grunt-css-selectors": "^1.1.0",
     "grunt-pure-grids": "^1.0.0",
     "grunt-stripmq": "0.0.6"

src/buttons/css/buttons.css

@@ -16,7 +16,9 @@
 .pure-button-hover,
 .pure-button:hover,
 .pure-button:focus {
+    /* csslint ignore:start */
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#00000000', endColorstr='#1a000000',GradientType=0);
+    /* csslint ignore:end */
     background-image: -webkit-gradient(linear, 0 0, 0 100%, from(transparent), color-stop(40%, rgba(0,0,0, 0.05)), to(rgba(0,0,0, 0.10)));
     background-image: -webkit-linear-gradient(transparent, rgba(0,0,0, 0.05) 40%, rgba(0,0,0, 0.10));
     background-image: -moz-linear-gradient(top, rgba(0,0,0, 0.05) 0%, rgba(0,0,0, 0.10));
@@ -39,8 +41,10 @@
 .pure-button-disabled:active {
     border: none;
     background-image: none;
+    /* csslint ignore:start */
     filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
     filter: alpha(opacity=40);
+    /* csslint ignore:end */
     -khtml-opacity: 0.40;
     -moz-opacity: 0.40;
     opacity: 0.40;