[Mobile] Sanding of mobile styles, in progress

open #74
CSS and markup changes for mobile,
particularly on grid-item;
Mod to behavior in tree for mobile nav:
leaf node grid-item click now navs to item;
Fixed info-button to work properly with mod to
infoButtonGesture.js;

platform/commonUI/general/res/templates/tree-node.html

@@ -25,12 +25,12 @@
 	        class="tree-item menus-to-left"
 	        ng-class="{selected: treeNode.isSelected()}"
 	        >
-            <mct-representation                                
+            <mct-representation
                 key="'label'"
 				mct-object="domainObject"
 				ng-model="ngModel"
-				ng-click="!treeNode.checkMobile() ? ngModel.selectedObject = domainObject :
-                          toggle.toggle(); treeNode.trackExpansion()"
+				ng-click="!treeNode.checkMobile() || model.composition == undefined ?
+				ngModel.selectedObject = domainObject : toggle.toggle(); treeNode.trackExpansion()"
 				>
             </mct-representation>
             <span