[Frontend] Dialog and overlay layout/positioning mods

open #159
open #170
Restructured overlay size and positioning approach
for better flexibility;
Getting new dialogs and the overlay to
play nicely in mobile context;

platform/commonUI/dialog/res/templates/blocking-message.html

@@ -3,7 +3,7 @@
             <div class="title">{{ngModel.dialog.title}}</div>
             <div class="hint" ng-hide="ngModel.dialog.hint === undefined">{{ngModel.dialog.hint}}</div>
         </div>
-        <div class="abs editor l-dialog">
+        <div class="abs editor">
             <div class="progress-info progress-current-action">
                 {{ngModel.dialog.actionText}}
             </div>

platform/commonUI/dialog/res/templates/dialog.html

@@ -23,7 +23,7 @@
     <div class="title">{{ngModel.title}}</div>
     <div class="hint">All fields marked <span class="ui-symbol req">*</span> are required.</div>
 </div>
-<div class='abs editor l-dialog'>
+<div class='abs editor'>
     <mct-form ng-model="ngModel.value"
               structure="ngModel.structure"
               name="createForm">

platform/commonUI/dialog/res/templates/overlay-options.html

@@ -24,7 +24,7 @@
         <div class="title">{{ngModel.dialog.title}}</div>
         <div class="hint">{{ngModel.dialog.hint}}</div>
     </div>
-    <div class='abs editor l-dialog'>
+    <div class='abs editor'>
         <mct-include key="ngModel.dialog.template"
                      parameters="ngModel.dialog.parameters"
                      ng-model="ngModel.dialog.model">

platform/commonUI/dialog/res/templates/overlay.html

@@ -25,11 +25,7 @@
         <a href=""
            ng-click="ngModel.cancel()"
            ng-if="ngModel.cancel"
-           class="clk-icon icon ui-symbol close">
-            x
-        </a>
-        <div class="abs contents" ng-transclude>
-
-        </div>
+           class="clk-icon icon ui-symbol close">x</a>
+        <div class="abs contents" ng-transclude></div>
     </div>
 </div>