[Mobile] Multiple mobile Safari fixes

open #74
New mixins to prefix '-webkit-' to props and vals;
'flex' classes use new webkit mixins;
Fixed flex layout of .object-browse-bar and
.context-available element;
Migrated CSS to remove small .scss include files;

platform/commonUI/general/res/sass/user-environ/_layout.scss

@@ -85,14 +85,6 @@
             }
         }
     }
-    &.l-flex {
-        display: flex;
-        flex-flow: row nowrap;
-        .left {
-            //@include test(green);
-            flex: 1 1 0;
-        }
-    }
 }
 
 .user-environ {
@@ -321,6 +313,33 @@
     }
 }
 
+.object-browse-bar {
+	//@include test(blue);
+	@include absPosDefault(0, visible);
+	@include box-sizing(border-box);
+	height: $ueTopBarH;
+	line-height: $ueTopBarH;
+	white-space: nowrap;
+
+	.left {
+		padding-right: $interiorMarginLg * 2;
+		.l-back {
+			display: inline-block;
+			float: left;
+			margin-right: $interiorMarginLg;
+		}
+	}
+}
+
+.l-flex {
+	@include webkitVal('display', 'flex');
+	@include webkitProp('flex-flow', 'row nowrap');
+	.left {
+		//@include test(red);
+		@include webkitProp(flex, '1 1 0');
+	}
+}
+
 .vscroll {
     overflow-y: auto;
 }

platform/commonUI/general/res/sass/user-environ/_object-browse.scss

@@ -1,38 +0,0 @@
-/*****************************************************************************
- * 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.
- *****************************************************************************/
-.object-browse-bar {
-    //@include test(blue);
-    @include absPosDefault(0, visible);
-    @include box-sizing(border-box);
-    height: $ueTopBarH;
-    line-height: $ueTopBarH;
-    white-space: nowrap;
-
-    .left {
-        padding-right: $interiorMargin;
-        .l-back {
-            display: inline-block;
-            float: left;
-            margin-right: $interiorMarginLg;
-        }
-    }
-}