[Mobile] Reorganize

Reorganized the sass files. To incorporate, new
mobile directory, which holds all the mobile
sass code.

platform/commonUI/general/res/sass/mobile/_mixins.scss

@@ -0,0 +1,46 @@
+/*****************************************************************************
+ * Open MCT Web, Copyright (c) 2014-2015, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT Web is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT Web includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+// NOTE: Mixins for devices
+@mixin phone {
+    @media screen and (max-width: $phoMaxW) {
+        @content
+    }
+}
+
+@mixin tablet {
+    @media screen and (min-width: $tabMinW) and (max-width: $tabMaxW) {
+        @content
+    }
+}
+
+@mixin phoneandtablet {
+    @media screen and (max-width: $tabMaxW) {
+        @content
+    }
+}
+
+@mixin desktop {
+    @media screen and (min-width: $compMinW) {
+        @content
+    }
+}