Checkbox fixes for light and dark themes, ready to hand over to trent for new images

public/app/features/datasources/partials/edit.html

@@ -42,7 +42,7 @@
 						Type
 					</li>
 					<li>
-						<select class="input-xlarge norm-form-input norm-form-auto norm-form-input-boxbox" ng-model="current.type" ng-options="k as v.name for (k, v) in types" ng-change="typeChanged()"></select>
+						<select class="input-xlarge norm-form-input norm-form-auto" ng-model="current.type" ng-options="k as v.name for (k, v) in types" ng-change="typeChanged()"></select>
 					</li>
 				</ul>
 				<div class="clearfix"></div>

public/less/variables.dark.less

@@ -307,7 +307,7 @@
 @popoverArrowOuterColor:  rgba(0,0,0,.25);
 
 // images
-@checkboxImageUrl: '../img/checkbox_white.png';
+@checkboxImageUrl: '../img/checkbox.png';
 
 // GRID
 // --------------------------------------------------